20922489

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3618

約数の個数: 32

約数和(自身を含む): 36577280

約数和(自身を除く): 15654791

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3571, 5859, 10713, 24997, 32139, 74991, 96417, 110701, 224973, 332103, 674919, 774907, 996309, 2324721, 2988927, 6974163, 20922489]

約数ペア:

[(1, 20922489), (3, 6974163), (7, 2988927), (9, 2324721), (21, 996309), (27, 774907), (31, 674919), (63, 332103), (93, 224973), (189, 110701), (217, 96417), (279, 74991), (651, 32139), (837, 24997), (1953, 10713), (3571, 5859)]