20199608919

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{807629}}^1$

素因数の和:808039

約数の個数: 24

約数和(自身を含む): 33429420960

約数和(自身を除く): 13229812041

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 25011, 807629, 2422887, 5653403, 7268661, 16960209, 50880627, 320628713, 961886139, 2244400991, 2885658417, 6733202973, 20199608919]

約数ペア:

[(1, 20199608919), (3, 6733202973), (7, 2885658417), (9, 2244400991), (21, 961886139), (63, 320628713), (397, 50880627), (1191, 16960209), (2779, 7268661), (3573, 5653403), (8337, 2422887), (25011, 807629)]