20215097

素因数分解:

$7^2\times {\mathrm{163}}^1\times {\mathrm{2531}}^1$

素因数の和:2708

約数の個数: 12

約数和(自身を含む): 23669136

約数和(自身を除く): 3454039

約数列:

[1, 7, 49, 163, 1141, 2531, 7987, 17717, 124019, 412553, 2887871, 20215097]

約数ペア:

[(1, 20215097), (7, 2887871), (49, 412553), (163, 124019), (1141, 17717), (2531, 7987)]