20216943

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 29900832

約数和(自身を除く): 9683889

約数列:

[1, 3, 9, 103, 113, 193, 309, 339, 579, 927, 1017, 1737, 11639, 19879, 21809, 34917, 59637, 65427, 104751, 178911, 196281, 2246327, 6738981, 20216943]

約数ペア:

[(1, 20216943), (3, 6738981), (9, 2246327), (103, 196281), (113, 178911), (193, 104751), (309, 65427), (339, 59637), (579, 34917), (927, 21809), (1017, 19879), (1737, 11639)]