20577277

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 24095232

約数和(自身を除く): 3517955

約数列:

[1, 7, 83, 107, 331, 581, 749, 2317, 8881, 27473, 35417, 62167, 192311, 247919, 2939611, 20577277]

約数ペア:

[(1, 20577277), (7, 2939611), (83, 247919), (107, 192311), (331, 62167), (581, 35417), (749, 27473), (2317, 8881)]