20032971

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1831}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 30601728

約数和(自身を除く): 10568757

約数列:

[1, 3, 7, 21, 521, 1563, 1831, 3647, 5493, 10941, 12817, 38451, 953951, 2861853, 6677657, 20032971]

約数ペア:

[(1, 20032971), (3, 6677657), (7, 2861853), (21, 953951), (521, 38451), (1563, 12817), (1831, 10941), (3647, 5493)]