20970297800

素因数分解:

$2^3\times 5^2\times {\mathrm{877}}^1\times {\mathrm{119557}}^1$

素因数の和:120450

約数の個数: 48

約数和(自身を含む): 48811944660

約数和(自身を除く): 27841646860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 877, 1754, 3508, 4385, 7016, 8770, 17540, 21925, 35080, 43850, 87700, 119557, 175400, 239114, 478228, 597785, 956456, 1195570, 2391140, 2988925, 4782280, 5977850, 11955700, 23911400, 104851489, 209702978, 419405956, 524257445, 838811912, 1048514890, 2097029780, 2621287225, 4194059560, 5242574450, 10485148900, 20970297800]

約数ペア:

[(1, 20970297800), (2, 10485148900), (4, 5242574450), (5, 4194059560), (8, 2621287225), (10, 2097029780), (20, 1048514890), (25, 838811912), (40, 524257445), (50, 419405956), (100, 209702978), (200, 104851489), (877, 23911400), (1754, 11955700), (3508, 5977850), (4385, 4782280), (7016, 2988925), (8770, 2391140), (17540, 1195570), (21925, 956456), (35080, 597785), (43850, 478228), (87700, 239114), (119557, 175400)]