20507799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1187}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 29538432

約数和(自身を除く): 9030633

約数列:

[1, 3, 13, 39, 443, 1187, 1329, 3561, 5759, 15431, 17277, 46293, 525841, 1577523, 6835933, 20507799]

約数ペア:

[(1, 20507799), (3, 6835933), (13, 1577523), (39, 525841), (443, 46293), (1187, 17277), (1329, 15431), (3561, 5759)]