20982777

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{881}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 29719872

約数和(自身を除く): 8737095

約数列:

[1, 3, 17, 51, 467, 881, 1401, 2643, 7939, 14977, 23817, 44931, 411427, 1234281, 6994259, 20982777]

約数ペア:

[(1, 20982777), (3, 6994259), (17, 1234281), (51, 411427), (467, 44931), (881, 23817), (1401, 14977), (2643, 7939)]