84536020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{13591}}^1$

素因数の和:13911

約数の個数: 24

約数和(自身を含む): 178109568

約数和(自身を除く): 93573548

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 13591, 27182, 54364, 67955, 135910, 271820, 4226801, 8453602, 16907204, 21134005, 42268010, 84536020]

約数ペア:

[(1, 84536020), (2, 42268010), (4, 21134005), (5, 16907204), (10, 8453602), (20, 4226801), (311, 271820), (622, 135910), (1244, 67955), (1555, 54364), (3110, 27182), (6220, 13591)]