20441395

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 28143936

約数和(自身を除く): 7702541

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1423, 2873, 7115, 14365, 18499, 24191, 92495, 120955, 240487, 314483, 1202435, 1572415, 4088279, 20441395]

約数ペア:

[(1, 20441395), (5, 4088279), (13, 1572415), (17, 1202435), (65, 314483), (85, 240487), (169, 120955), (221, 92495), (845, 24191), (1105, 18499), (1423, 14365), (2873, 7115)]