20129255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1549}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 25444800

約数和(自身を除く): 5315545

約数列:

[1, 5, 23, 113, 115, 565, 1549, 2599, 7745, 12995, 35627, 175037, 178135, 875185, 4025851, 20129255]

約数ペア:

[(1, 20129255), (5, 4025851), (23, 875185), (113, 178135), (115, 175037), (565, 35627), (1549, 12995), (2599, 7745)]