20706455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53783}}^1$

素因数の和:53806

約数の個数: 16

約数和(自身を含む): 30979584

約数和(自身を除く): 10273129

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53783, 268915, 376481, 591613, 1882405, 2958065, 4141291, 20706455]

約数ペア:

[(1, 20706455), (5, 4141291), (7, 2958065), (11, 1882405), (35, 591613), (55, 376481), (77, 268915), (385, 53783)]