20681001650

素因数分解:

$2^1\times 5^2\times {\mathrm{413620033}}^1$

素因数の和:413620045

約数の個数: 12

約数和(自身を含む): 38466663162

約数和(自身を除く): 17785661512

約数列:

[1, 2, 5, 10, 25, 50, 413620033, 827240066, 2068100165, 4136200330, 10340500825, 20681001650]

約数ペア:

[(1, 20681001650), (2, 10340500825), (5, 4136200330), (10, 2068100165), (25, 827240066), (50, 413620033)]