20494593

素因数分解:

$3^3\times 7^3\times {\mathrm{2213}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 14929407

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2213, 3087, 6639, 9261, 15491, 19917, 46473, 59751, 108437, 139419, 325311, 418257, 759059, 975933, 2277177, 2927799, 6831531, 20494593]

約数ペア:

[(1, 20494593), (3, 6831531), (7, 2927799), (9, 2277177), (21, 975933), (27, 759059), (49, 418257), (63, 325311), (147, 139419), (189, 108437), (343, 59751), (441, 46473), (1029, 19917), (1323, 15491), (2213, 9261), (3087, 6639)]