20258978868

素因数分解:

$2^2\times 3^2\times {\mathrm{3557}}^1\times {\mathrm{158209}}^1$

素因数の和:161776

約数の個数: 36

約数和(自身を含む): 51224917380

約数和(自身を除く): 30965938512

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 3557, 7114, 10671, 14228, 21342, 32013, 42684, 64026, 128052, 158209, 316418, 474627, 632836, 949254, 1423881, 1898508, 2847762, 5695524, 562749413, 1125498826, 1688248239, 2250997652, 3376496478, 5064744717, 6752992956, 10129489434, 20258978868]

約数ペア:

[(1, 20258978868), (2, 10129489434), (3, 6752992956), (4, 5064744717), (6, 3376496478), (9, 2250997652), (12, 1688248239), (18, 1125498826), (36, 562749413), (3557, 5695524), (7114, 2847762), (10671, 1898508), (14228, 1423881), (21342, 949254), (32013, 632836), (42684, 474627), (64026, 316418), (128052, 158209)]