15129820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18451}}^1$

素因数の和:18501

約数の個数: 24

約数和(自身を含む): 32549328

約数和(自身を除く): 17419508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18451, 36902, 73804, 92255, 184510, 369020, 756491, 1512982, 3025964, 3782455, 7564910, 15129820]

約数ペア:

[(1, 15129820), (2, 7564910), (4, 3782455), (5, 3025964), (10, 1512982), (20, 756491), (41, 369020), (82, 184510), (164, 92255), (205, 73804), (410, 36902), (820, 18451)]