20777712010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{12109}}^1$

素因数の和:12967

約数の個数: 64

約数和(自身を含む): 43003094400

約数和(自身を除く): 22225382390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 821, 1045, 1642, 2090, 4105, 8210, 9031, 12109, 15599, 18062, 24218, 31198, 45155, 60545, 77995, 90310, 121090, 133199, 155990, 171589, 230071, 266398, 343178, 460142, 665995, 857945, 1150355, 1331990, 1715890, 2300710, 2530781, 5061562, 9941489, 12653905, 19882978, 25307810, 49707445, 99414890, 109356379, 188888291, 218712758, 377776582, 546781895, 944441455, 1093563790, 1888882910, 2077771201, 4155542402, 10388856005, 20777712010]

約数ペア:

[(1, 20777712010), (2, 10388856005), (5, 4155542402), (10, 2077771201), (11, 1888882910), (19, 1093563790), (22, 944441455), (38, 546781895), (55, 377776582), (95, 218712758), (110, 188888291), (190, 109356379), (209, 99414890), (418, 49707445), (821, 25307810), (1045, 19882978), (1642, 12653905), (2090, 9941489), (4105, 5061562), (8210, 2530781), (9031, 2300710), (12109, 1715890), (15599, 1331990), (18062, 1150355), (24218, 857945), (31198, 665995), (45155, 460142), (60545, 343178), (77995, 266398), (90310, 230071), (121090, 171589), (133199, 155990)]