20255589

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2213}}^1$

素因数の和:2338

約数の個数: 20

約数和(自身を含む): 30539916

約数和(自身を除く): 10284327

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2213, 3051, 6639, 9153, 19917, 59751, 179253, 250069, 750207, 2250621, 6751863, 20255589]

約数ペア:

[(1, 20255589), (3, 6751863), (9, 2250621), (27, 750207), (81, 250069), (113, 179253), (339, 59751), (1017, 19917), (2213, 9153), (3051, 6639)]