20239285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2437}}^1$

素因数の和:2604

約数の個数: 16

約数和(自身を含む): 26681472

約数和(自身を除く): 6442187

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2437, 8305, 12185, 26807, 134035, 367987, 1839935, 4047857, 20239285]

約数ペア:

[(1, 20239285), (5, 4047857), (11, 1839935), (55, 367987), (151, 134035), (755, 26807), (1661, 12185), (2437, 8305)]