20512030189

素因数分解:

$7^2\times {\mathrm{523}}^1\times {\mathrm{800407}}^1$

素因数の和:800944

約数の個数: 12

約数和(自身を含む): 23906586144

約数和(自身を除く): 3394555955

約数列:

[1, 7, 49, 523, 3661, 25627, 800407, 5602849, 39219943, 418612861, 2930290027, 20512030189]

約数ペア:

[(1, 20512030189), (7, 2930290027), (49, 418612861), (523, 39219943), (3661, 5602849), (25627, 800407)]