20585115

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19889}}^1$

素因数の和:19923

約数の個数: 24

約数和(自身を含む): 37234080

約数和(自身を除く): 16648965

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19889, 59667, 99445, 179001, 298335, 457447, 895005, 1372341, 2287235, 4117023, 6861705, 20585115]

約数ペア:

[(1, 20585115), (3, 6861705), (5, 4117023), (9, 2287235), (15, 1372341), (23, 895005), (45, 457447), (69, 298335), (115, 179001), (207, 99445), (345, 59667), (1035, 19889)]