20116876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 19396724

約数列:

[1, 2, 4, 13, 26, 52, 59, 79, 83, 118, 158, 166, 236, 316, 332, 767, 1027, 1079, 1534, 2054, 2158, 3068, 4108, 4316, 4661, 4897, 6557, 9322, 9794, 13114, 18644, 19588, 26228, 60593, 63661, 85241, 121186, 127322, 170482, 242372, 254644, 340964, 386863, 773726, 1547452, 5029219, 10058438, 20116876]

約数ペア:

[(1, 20116876), (2, 10058438), (4, 5029219), (13, 1547452), (26, 773726), (52, 386863), (59, 340964), (79, 254644), (83, 242372), (118, 170482), (158, 127322), (166, 121186), (236, 85241), (316, 63661), (332, 60593), (767, 26228), (1027, 19588), (1079, 18644), (1534, 13114), (2054, 9794), (2158, 9322), (3068, 6557), (4108, 4897), (4316, 4661)]