20375585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 5627359

約数列:

[1, 5, 23, 53, 115, 265, 1219, 3343, 6095, 16715, 76889, 177179, 384445, 885895, 4075117, 20375585]

約数ペア:

[(1, 20375585), (5, 4075117), (23, 885895), (53, 384445), (115, 177179), (265, 76889), (1219, 16715), (3343, 6095)]