20170735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8387}}^1$

素因数の和:8442

約数の個数: 16

約数和(自身を含む): 26774496

約数和(自身を除く): 6603761

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8387, 41935, 109031, 310319, 545155, 1551595, 4034147, 20170735]

約数ペア:

[(1, 20170735), (5, 4034147), (13, 1551595), (37, 545155), (65, 310319), (185, 109031), (481, 41935), (2405, 8387)]