20396880099

素因数分解:

$3^2\times {\mathrm{647}}^1\times {\mathrm{3502813}}^1$

素因数の和:3503466

約数の個数: 12

約数和(自身を含む): 29507705136

約数和(自身を除く): 9110825037

約数列:

[1, 3, 9, 647, 1941, 5823, 3502813, 10508439, 31525317, 2266320011, 6798960033, 20396880099]

約数ペア:

[(1, 20396880099), (3, 6798960033), (9, 2266320011), (647, 31525317), (1941, 10508439), (5823, 3502813)]