20901698

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{677}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 32218560

約数和(自身を除く): 11316862

約数列:

[1, 2, 43, 86, 359, 677, 718, 1354, 15437, 29111, 30874, 58222, 243043, 486086, 10450849, 20901698]

約数ペア:

[(1, 20901698), (2, 10450849), (43, 486086), (86, 243043), (359, 58222), (677, 30874), (718, 29111), (1354, 15437)]