20367974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1777}}^1$

素因数の和:2311

約数の個数: 16

約数和(自身を含む): 33412176

約数和(自身を除く): 13044202

約数列:

[1, 2, 11, 22, 521, 1042, 1777, 3554, 5731, 11462, 19547, 39094, 925817, 1851634, 10183987, 20367974]

約数ペア:

[(1, 20367974), (2, 10183987), (11, 1851634), (22, 925817), (521, 39094), (1042, 19547), (1777, 11462), (3554, 5731)]