20804868791

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{5980129}}^1$

素因数の和:5980214

約数の個数: 12

約数和(自身を含む): 24542453520

約数和(自身を除く): 3737584729

約数列:

[1, 7, 49, 71, 497, 3479, 5980129, 41860903, 293026321, 424589159, 2972124113, 20804868791]

約数ペア:

[(1, 20804868791), (7, 2972124113), (49, 424589159), (71, 293026321), (497, 41860903), (3479, 5980129)]