20320971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1583}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 9331509

約数列:

[1, 3, 11, 33, 389, 1167, 1583, 4279, 4749, 12837, 17413, 52239, 615787, 1847361, 6773657, 20320971]

約数ペア:

[(1, 20320971), (3, 6773657), (11, 1847361), (33, 615787), (389, 52239), (1167, 17413), (1583, 12837), (4279, 4749)]