20776375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2427

約数の個数: 16

約数和(自身を含む): 26305344

約数和(自身を除く): 5528969

約数列:

[1, 5, 25, 71, 125, 355, 1775, 2341, 8875, 11705, 58525, 166211, 292625, 831055, 4155275, 20776375]

約数ペア:

[(1, 20776375), (5, 4155275), (25, 831055), (71, 292625), (125, 166211), (355, 58525), (1775, 11705), (2341, 8875)]