20147950760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71956967}}^1$

素因数の和:71956985

約数の個数: 32

約数和(自身を含む): 51809016960

約数和(自身を除く): 31661066200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71956967, 143913934, 287827868, 359784835, 503698769, 575655736, 719569670, 1007397538, 1439139340, 2014795076, 2518493845, 2878278680, 4029590152, 5036987690, 10073975380, 20147950760]

約数ペア:

[(1, 20147950760), (2, 10073975380), (4, 5036987690), (5, 4029590152), (7, 2878278680), (8, 2518493845), (10, 2014795076), (14, 1439139340), (20, 1007397538), (28, 719569670), (35, 575655736), (40, 503698769), (56, 359784835), (70, 287827868), (140, 143913934), (280, 71956967)]