9639820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2957}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 20374704

約数和(自身を除く): 10734884

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2957, 3260, 5914, 11828, 14785, 29570, 59140, 481991, 963982, 1927964, 2409955, 4819910, 9639820]

約数ペア:

[(1, 9639820), (2, 4819910), (4, 2409955), (5, 1927964), (10, 963982), (20, 481991), (163, 59140), (326, 29570), (652, 14785), (815, 11828), (1630, 5914), (2957, 3260)]