20587401

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 30569760

約数和(自身を除く): 9982359

約数列:

[1, 3, 9, 59, 137, 177, 283, 411, 531, 849, 1233, 2547, 8083, 16697, 24249, 38771, 50091, 72747, 116313, 150273, 348939, 2287489, 6862467, 20587401]

約数ペア:

[(1, 20587401), (3, 6862467), (9, 2287489), (59, 348939), (137, 150273), (177, 116313), (283, 72747), (411, 50091), (531, 38771), (849, 24249), (1233, 16697), (2547, 8083)]