20105892440

素因数分解:

$2^3\times 5^1\times {\mathrm{502647311}}^1$

素因数の和:502647322

約数の個数: 16

約数和(自身を含む): 45238258080

約数和(自身を除く): 25132365640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502647311, 1005294622, 2010589244, 2513236555, 4021178488, 5026473110, 10052946220, 20105892440]

約数ペア:

[(1, 20105892440), (2, 10052946220), (4, 5026473110), (5, 4021178488), (8, 2513236555), (10, 2010589244), (20, 1005294622), (40, 502647311)]