20128570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26141}}^1$

素因数の和:26166

約数の個数: 32

約数和(自身を含む): 45173376

約数和(自身を除く): 25044806

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26141, 52282, 130705, 182987, 261410, 287551, 365974, 575102, 914935, 1437755, 1829870, 2012857, 2875510, 4025714, 10064285, 20128570]

約数ペア:

[(1, 20128570), (2, 10064285), (5, 4025714), (7, 2875510), (10, 2012857), (11, 1829870), (14, 1437755), (22, 914935), (35, 575102), (55, 365974), (70, 287551), (77, 261410), (110, 182987), (154, 130705), (385, 52282), (770, 26141)]