MathDB
Problems
Contests
International Contests
Baltic Way
2022 Baltic Way
17
17
Part of
2022 Baltic Way
Problems
(1)
Sum of divisors
Source: Baltic Way 2022, Problem 17
11/12/2022
Let
n
n
n
be a positive integer such that the sum of its positive divisors is at least
2022
n
2022n
2022
n
. Prove that
n
n
n
has at least
2022
2022
2022
distinct prime factors.
number theory