20097020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5261}}^1$

素因数の和:5461

約数の個数: 24

約数和(自身を含む): 42432768

約数和(自身を除く): 22335748

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5261, 10522, 21044, 26305, 52610, 105220, 1004851, 2009702, 4019404, 5024255, 10048510, 20097020]

約数ペア:

[(1, 20097020), (2, 10048510), (4, 5024255), (5, 4019404), (10, 2009702), (20, 1004851), (191, 105220), (382, 52610), (764, 26305), (955, 21044), (1910, 10522), (3820, 5261)]