20644169

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3719}}^1$

素因数の和:3800

約数の個数: 16

約数和(自身を含む): 25831680

約数和(自身を除く): 5187511

約数列:

[1, 7, 13, 61, 91, 427, 793, 3719, 5551, 26033, 48347, 226859, 338429, 1588013, 2949167, 20644169]

約数ペア:

[(1, 20644169), (7, 2949167), (13, 1588013), (61, 338429), (91, 226859), (427, 48347), (793, 26033), (3719, 5551)]