20070254920

素因数分解:

$2^3\times 5^1\times {\mathrm{6967}}^1\times {\mathrm{72019}}^1$

素因数の和:78997

約数の個数: 32

約数和(自身を含む): 45165182400

約数和(自身を除く): 25094927480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6967, 13934, 27868, 34835, 55736, 69670, 72019, 139340, 144038, 278680, 288076, 360095, 576152, 720190, 1440380, 2880760, 501756373, 1003512746, 2007025492, 2508781865, 4014050984, 5017563730, 10035127460, 20070254920]

約数ペア:

[(1, 20070254920), (2, 10035127460), (4, 5017563730), (5, 4014050984), (8, 2508781865), (10, 2007025492), (20, 1003512746), (40, 501756373), (6967, 2880760), (13934, 1440380), (27868, 720190), (34835, 576152), (55736, 360095), (69670, 288076), (72019, 278680), (139340, 144038)]