20512995850

素因数分解:

$2^1\times 5^2\times {\mathrm{56611}}^1\times {\mathrm{7247}}^1$

素因数の和:63870

約数の個数: 24

約数和(自身を含む): 38160111168

約数和(自身を除く): 17647115318

約数列:

[1, 2, 5, 10, 25, 50, 7247, 14494, 36235, 56611, 72470, 113222, 181175, 283055, 362350, 566110, 1415275, 2830550, 410259917, 820519834, 2051299585, 4102599170, 10256497925, 20512995850]

約数ペア:

[(1, 20512995850), (2, 10256497925), (5, 4102599170), (10, 2051299585), (25, 820519834), (50, 410259917), (7247, 2830550), (14494, 1415275), (36235, 566110), (56611, 362350), (72470, 283055), (113222, 181175)]