20224989

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 30610944

約数和(自身を除く): 10385955

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1021, 2201, 3063, 6603, 9189, 19809, 31651, 72491, 94953, 217473, 284859, 652419, 2247221, 6741663, 20224989]

約数ペア:

[(1, 20224989), (3, 6741663), (9, 2247221), (31, 652419), (71, 284859), (93, 217473), (213, 94953), (279, 72491), (639, 31651), (1021, 19809), (2201, 9189), (3063, 6603)]