20435560

素因数分解:

$2^3\times 5^1\times {\mathrm{510889}}^1$

素因数の和:510900

約数の個数: 16

約数和(自身を含む): 45980100

約数和(自身を除く): 25544540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 510889, 1021778, 2043556, 2554445, 4087112, 5108890, 10217780, 20435560]

約数ペア:

[(1, 20435560), (2, 10217780), (4, 5108890), (5, 4087112), (8, 2554445), (10, 2043556), (20, 1021778), (40, 510889)]