20688610

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2551}}^1$

素因数の和:3369

約数の個数: 16

約数和(自身を含む): 37300032

約数和(自身を除く): 16611422

約数列:

[1, 2, 5, 10, 811, 1622, 2551, 4055, 5102, 8110, 12755, 25510, 2068861, 4137722, 10344305, 20688610]

約数ペア:

[(1, 20688610), (2, 10344305), (5, 4137722), (10, 2068861), (811, 25510), (1622, 12755), (2551, 8110), (4055, 5102)]