20138506821

素因数分解:

$3^4\times {\mathrm{2521}}^1\times {\mathrm{98621}}^1$

素因数の和:101154

約数の個数: 20

約数和(自身を含む): 30095686764

約数和(自身を除く): 9957179943

約数列:

[1, 3, 9, 27, 81, 2521, 7563, 22689, 68067, 98621, 204201, 295863, 887589, 2662767, 7988301, 248623541, 745870623, 2237611869, 6712835607, 20138506821]

約数ペア:

[(1, 20138506821), (3, 6712835607), (9, 2237611869), (27, 745870623), (81, 248623541), (2521, 7988301), (7563, 2662767), (22689, 887589), (68067, 295863), (98621, 204201)]