20149511575

素因数分解:

$5^2\times {\mathrm{191}}^1\times {\mathrm{1021}}^1\times {\mathrm{4133}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 25146890496

約数和(自身を除く): 4997378921

約数列:

[1, 5, 25, 191, 955, 1021, 4133, 4775, 5105, 20665, 25525, 103325, 195011, 789403, 975055, 3947015, 4219793, 4875275, 19735075, 21098965, 105494825, 805980463, 4029902315, 20149511575]

約数ペア:

[(1, 20149511575), (5, 4029902315), (25, 805980463), (191, 105494825), (955, 21098965), (1021, 19735075), (4133, 4875275), (4775, 4219793), (5105, 3947015), (20665, 975055), (25525, 789403), (103325, 195011)]