Theory of numbers: Multiplicative functions
30:42
YouTubeRichard E Borcherds
Theory of numbers: Multiplicative functions
This lecture is part of an online undergraduate course on the theory of numbers. Multiplicative functions are functions such that f(mn)=f(m)f(n) whenever m and n are coprime. We discuss some examples, such as the number of divisors, the sum of the divisors, and Euler's totient function. For the other lectures in the course see https://www ...
9.3K viewsJan 26, 2021
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