20656287

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 31714800

約数和(自身を除く): 11058513

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1069, 2147, 3207, 6441, 9621, 19323, 20311, 60933, 120797, 182799, 362391, 1087173, 2295143, 6885429, 20656287]

約数ペア:

[(1, 20656287), (3, 6885429), (9, 2295143), (19, 1087173), (57, 362391), (113, 182799), (171, 120797), (339, 60933), (1017, 20311), (1069, 19323), (2147, 9621), (3207, 6441)]