20168995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52387}}^1$

素因数の和:52410

約数の個数: 16

約数和(自身を含む): 30175488

約数和(自身を除く): 10006493

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52387, 261935, 366709, 576257, 1833545, 2881285, 4033799, 20168995]

約数ペア:

[(1, 20168995), (5, 4033799), (7, 2881285), (11, 1833545), (35, 576257), (55, 366709), (77, 261935), (385, 52387)]