20156570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 41890176

約数和(自身を除く): 21733606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2851, 3535, 5702, 7070, 14255, 19957, 28510, 39914, 99785, 199570, 287951, 575902, 1439755, 2015657, 2879510, 4031314, 10078285, 20156570]

約数ペア:

[(1, 20156570), (2, 10078285), (5, 4031314), (7, 2879510), (10, 2015657), (14, 1439755), (35, 575902), (70, 287951), (101, 199570), (202, 99785), (505, 39914), (707, 28510), (1010, 19957), (1414, 14255), (2851, 7070), (3535, 5702)]