20103578456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2171951}}^1$

素因数の和:2172059

約数の個数: 32

約数和(自身を含む): 41049892800

約数和(自身を除く): 20946314344

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 2171951, 4343902, 8687804, 17375608, 28235363, 56470726, 112941452, 193303639, 225882904, 386607278, 773214556, 1546429112, 2512947307, 5025894614, 10051789228, 20103578456]

約数ペア:

[(1, 20103578456), (2, 10051789228), (4, 5025894614), (8, 2512947307), (13, 1546429112), (26, 773214556), (52, 386607278), (89, 225882904), (104, 193303639), (178, 112941452), (356, 56470726), (712, 28235363), (1157, 17375608), (2314, 8687804), (4628, 4343902), (9256, 2171951)]