20165960

素因数分解:

$2^3\times 5^1\times {\mathrm{504149}}^1$

素因数の和:504160

約数の個数: 16

約数和(自身を含む): 45373500

約数和(自身を除く): 25207540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504149, 1008298, 2016596, 2520745, 4033192, 5041490, 10082980, 20165960]

約数ペア:

[(1, 20165960), (2, 10082980), (4, 5041490), (5, 4033192), (8, 2520745), (10, 2016596), (20, 1008298), (40, 504149)]