20185767

素因数分解:

$3^5\times 7^1\times {\mathrm{11867}}^1$

素因数の和:11889

約数の個数: 24

約数和(自身を含む): 34559616

約数和(自身を除く): 14373849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11867, 35601, 83069, 106803, 249207, 320409, 747621, 961227, 2242863, 2883681, 6728589, 20185767]

約数ペア:

[(1, 20185767), (3, 6728589), (7, 2883681), (9, 2242863), (21, 961227), (27, 747621), (63, 320409), (81, 249207), (189, 106803), (243, 83069), (567, 35601), (1701, 11867)]