20237427

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2311}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 33662720

約数和(自身を除く): 13425293

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2311, 2919, 6933, 8757, 16177, 20799, 48531, 145593, 321229, 963687, 2248603, 2891061, 6745809, 20237427]

約数ペア:

[(1, 20237427), (3, 6745809), (7, 2891061), (9, 2248603), (21, 963687), (63, 321229), (139, 145593), (417, 48531), (973, 20799), (1251, 16177), (2311, 8757), (2919, 6933)]