20111480

素因数分解:

$2^3\times 5^1\times {\mathrm{502787}}^1$

素因数の和:502798

約数の個数: 16

約数和(自身を含む): 45250920

約数和(自身を除く): 25139440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502787, 1005574, 2011148, 2513935, 4022296, 5027870, 10055740, 20111480]

約数ペア:

[(1, 20111480), (2, 10055740), (4, 5027870), (5, 4022296), (8, 2513935), (10, 2011148), (20, 1005574), (40, 502787)]