20889349

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 23346288

約数和(自身を除く): 2456939

約数列:

[1, 13, 37, 137, 317, 481, 1781, 4121, 5069, 11729, 43429, 65897, 152477, 564577, 1606873, 20889349]

約数ペア:

[(1, 20889349), (13, 1606873), (37, 564577), (137, 152477), (317, 65897), (481, 43429), (1781, 11729), (4121, 5069)]