20772423

素因数分解:

$3^3\times 7^3\times {\mathrm{2243}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 35904000

約数和(自身を除く): 15131577

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2243, 3087, 6729, 9261, 15701, 20187, 47103, 60561, 109907, 141309, 329721, 423927, 769349, 989163, 2308047, 2967489, 6924141, 20772423]

約数ペア:

[(1, 20772423), (3, 6924141), (7, 2967489), (9, 2308047), (21, 989163), (27, 769349), (49, 423927), (63, 329721), (147, 141309), (189, 109907), (343, 60561), (441, 47103), (1029, 20187), (1323, 15701), (2243, 9261), (3087, 6729)]