20512667810

素因数分解:

$2^1\times 5^1\times {\mathrm{10729}}^1\times {\mathrm{191189}}^1$

素因数の和:201925

約数の個数: 16

約数和(自身を含む): 36926436600

約数和(自身を除く): 16413768790

約数列:

[1, 2, 5, 10, 10729, 21458, 53645, 107290, 191189, 382378, 955945, 1911890, 2051266781, 4102533562, 10256333905, 20512667810]

約数ペア:

[(1, 20512667810), (2, 10256333905), (5, 4102533562), (10, 2051266781), (10729, 1911890), (21458, 955945), (53645, 382378), (107290, 191189)]