20395287

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 33749760

約数和(自身を除く): 13354473

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1597, 4257, 4791, 12771, 14373, 17567, 43119, 52701, 68671, 158103, 206013, 474309, 618039, 755381, 1854117, 2266143, 6798429, 20395287]

約数ペア:

[(1, 20395287), (3, 6798429), (9, 2266143), (11, 1854117), (27, 755381), (33, 618039), (43, 474309), (99, 206013), (129, 158103), (297, 68671), (387, 52701), (473, 43119), (1161, 17567), (1419, 14373), (1597, 12771), (4257, 4791)]