20129274145

素因数分解:

$5^1\times {\mathrm{727}}^1\times {\mathrm{1531}}^1\times {\mathrm{3617}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 24210845568

約数和(自身を除く): 4081571423

約数列:

[1, 5, 727, 1531, 3617, 3635, 7655, 18085, 1113037, 2629559, 5537627, 5565185, 13147795, 27688135, 4025854829, 20129274145]

約数ペア:

[(1, 20129274145), (5, 4025854829), (727, 27688135), (1531, 13147795), (3617, 5565185), (3635, 5537627), (7655, 2629559), (18085, 1113037)]