20174977810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{32831}}^1$

素因数の和:33043

約数の個数: 64

約数和(自身を含む): 40706426880

約数和(自身を除く): 20531449070

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 163, 290, 326, 377, 754, 815, 1630, 1885, 2119, 3770, 4238, 4727, 9454, 10595, 21190, 23635, 32831, 47270, 61451, 65662, 122902, 164155, 307255, 328310, 426803, 614510, 853606, 952099, 1904198, 2134015, 4268030, 4760495, 5351453, 9520990, 10702906, 12377287, 24754574, 26757265, 53514530, 61886435, 69568889, 123772870, 139137778, 155192137, 310384274, 347844445, 695688890, 775960685, 1551921370, 2017497781, 4034995562, 10087488905, 20174977810]

約数ペア:

[(1, 20174977810), (2, 10087488905), (5, 4034995562), (10, 2017497781), (13, 1551921370), (26, 775960685), (29, 695688890), (58, 347844445), (65, 310384274), (130, 155192137), (145, 139137778), (163, 123772870), (290, 69568889), (326, 61886435), (377, 53514530), (754, 26757265), (815, 24754574), (1630, 12377287), (1885, 10702906), (2119, 9520990), (3770, 5351453), (4238, 4760495), (4727, 4268030), (9454, 2134015), (10595, 1904198), (21190, 952099), (23635, 853606), (32831, 614510), (47270, 426803), (61451, 328310), (65662, 307255), (122902, 164155)]