20627810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2861}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 42861312

約数和(自身を除く): 22233502

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2861, 3605, 5722, 7210, 14305, 20027, 28610, 40054, 100135, 200270, 294683, 589366, 1473415, 2062781, 2946830, 4125562, 10313905, 20627810]

約数ペア:

[(1, 20627810), (2, 10313905), (5, 4125562), (7, 2946830), (10, 2062781), (14, 1473415), (35, 589366), (70, 294683), (103, 200270), (206, 100135), (515, 40054), (721, 28610), (1030, 20027), (1442, 14305), (2861, 7210), (3605, 5722)]