20584881

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1721}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 30582720

約数和(自身を除く): 9997839

約数列:

[1, 3, 9, 27, 443, 1329, 1721, 3987, 5163, 11961, 15489, 46467, 762403, 2287209, 6861627, 20584881]

約数ペア:

[(1, 20584881), (3, 6861627), (9, 2287209), (27, 762403), (443, 46467), (1329, 15489), (1721, 11961), (3987, 5163)]