20982518

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:751

約数の個数: 16

約数和(自身を含む): 31970160

約数和(自身を除く): 10987642

約数列:

[1, 2, 113, 226, 227, 409, 454, 818, 25651, 46217, 51302, 92434, 92843, 185686, 10491259, 20982518]

約数ペア:

[(1, 20982518), (2, 10491259), (113, 185686), (226, 92843), (227, 92434), (409, 51302), (454, 46217), (818, 25651)]