20106040

素因数分解:

$2^3\times 5^1\times {\mathrm{502651}}^1$

素因数の和:502662

約数の個数: 16

約数和(自身を含む): 45238680

約数和(自身を除く): 25132640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502651, 1005302, 2010604, 2513255, 4021208, 5026510, 10053020, 20106040]

約数ペア:

[(1, 20106040), (2, 10053020), (4, 5026510), (5, 4021208), (8, 2513255), (10, 2010604), (20, 1005302), (40, 502651)]