20512111620005

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1\times {\mathrm{47836639}}^1$

素因数の和:47837284

約数の個数: 16

約数和(自身を含む): 24798514176000

約数和(自身を除く): 4286402555995

約数列:

[1, 5, 191, 449, 955, 2245, 85759, 428795, 47836639, 239183195, 9136798049, 21478650911, 45683990245, 107393254555, 4102422324001, 20512111620005]

約数ペア:

[(1, 20512111620005), (5, 4102422324001), (191, 107393254555), (449, 45683990245), (955, 21478650911), (2245, 9136798049), (85759, 239183195), (428795, 47836639)]