20084080

素因数分解:

$2^4\times 5^1\times {\mathrm{251051}}^1$

素因数の和:251064

約数の個数: 20

約数和(自身を含む): 46695672

約数和(自身を除く): 26611592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251051, 502102, 1004204, 1255255, 2008408, 2510510, 4016816, 5021020, 10042040, 20084080]

約数ペア:

[(1, 20084080), (2, 10042040), (4, 5021020), (5, 4016816), (8, 2510510), (10, 2008408), (16, 1255255), (20, 1004204), (40, 502102), (80, 251051)]