20091080

素因数分解:

$2^3\times 5^1\times {\mathrm{502277}}^1$

素因数の和:502288

約数の個数: 16

約数和(自身を含む): 45205020

約数和(自身を除く): 25113940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502277, 1004554, 2009108, 2511385, 4018216, 5022770, 10045540, 20091080]

約数ペア:

[(1, 20091080), (2, 10045540), (4, 5022770), (5, 4018216), (8, 2511385), (10, 2009108), (20, 1004554), (40, 502277)]