20162950420

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3922753}}^1$

素因数の和:3923019

約数の個数: 24

約数和(自身を含む): 42506962344

約数和(自身を除く): 22344011924

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 3922753, 7845506, 15691012, 19613765, 39227530, 78455060, 1008147521, 2016295042, 4032590084, 5040737605, 10081475210, 20162950420]

約数ペア:

[(1, 20162950420), (2, 10081475210), (4, 5040737605), (5, 4032590084), (10, 2016295042), (20, 1008147521), (257, 78455060), (514, 39227530), (1028, 19613765), (1285, 15691012), (2570, 7845506), (5140, 3922753)]