20565884421

素因数分解:

$3^3\times {\mathrm{37871}}^1\times {\mathrm{20113}}^1$

素因数の和:57993

約数の個数: 16

約数和(自身を含む): 30470296320

約数和(自身を除く): 9904411899

約数列:

[1, 3, 9, 27, 20113, 37871, 60339, 113613, 181017, 340839, 543051, 1022517, 761699423, 2285098269, 6855294807, 20565884421]

約数ペア:

[(1, 20565884421), (3, 6855294807), (9, 2285098269), (27, 761699423), (20113, 1022517), (37871, 543051), (60339, 340839), (113613, 181017)]