204547580

素因数分解:

$2^2\times 5^1\times {\mathrm{10227379}}^1$

素因数の和:10227388

約数の個数: 12

約数和(自身を含む): 429549960

約数和(自身を除く): 225002380

約数列:

[1, 2, 4, 5, 10, 20, 10227379, 20454758, 40909516, 51136895, 102273790, 204547580]

約数ペア:

[(1, 204547580), (2, 102273790), (4, 51136895), (5, 40909516), (10, 20454758), (20, 10227379)]