20125971891

素因数分解:

$3^2\times {\mathrm{499}}^1\times {\mathrm{4481401}}^1$

素因数の和:4481906

約数の個数: 12

約数和(自身を含む): 29129113000

約数和(自身を除く): 9003141109

約数列:

[1, 3, 9, 499, 1497, 4491, 4481401, 13444203, 40332609, 2236219099, 6708657297, 20125971891]

約数ペア:

[(1, 20125971891), (3, 6708657297), (9, 2236219099), (499, 40332609), (1497, 13444203), (4491, 4481401)]