20531799

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4481

約数の個数: 24

約数和(自身を含む): 32381440

約数和(自身を除く): 11849641

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4447, 4617, 13341, 40023, 84493, 120069, 253479, 360207, 760437, 1080621, 2281311, 6843933, 20531799]

約数ペア:

[(1, 20531799), (3, 6843933), (9, 2281311), (19, 1080621), (27, 760437), (57, 360207), (81, 253479), (171, 120069), (243, 84493), (513, 40023), (1539, 13341), (4447, 4617)]