20138471181

素因数分解:

$3^8\times {\mathrm{3069421}}^1$

素因数の和:3069445

約数の個数: 18

約数和(自身を含む): 30206181902

約数和(自身を除く): 10067710721

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 3069421, 9208263, 27624789, 82874367, 248623101, 745869303, 2237607909, 6712823727, 20138471181]

約数ペア:

[(1, 20138471181), (3, 6712823727), (9, 2237607909), (27, 745869303), (81, 248623101), (243, 82874367), (729, 27624789), (2187, 9208263), (6561, 3069421)]