20218272471

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{182893}}^1$

素因数の和:183143

約数の個数: 24

約数和(自身を含む): 29786848416

約数和(自身を除く): 9568575945

約数列:

[1, 3, 9, 71, 173, 213, 519, 639, 1557, 12283, 36849, 110547, 182893, 548679, 1646037, 12985403, 31640489, 38956209, 94921467, 116868627, 284764401, 2246474719, 6739424157, 20218272471]

約数ペア:

[(1, 20218272471), (3, 6739424157), (9, 2246474719), (71, 284764401), (173, 116868627), (213, 94921467), (519, 38956209), (639, 31640489), (1557, 12985403), (12283, 1646037), (36849, 548679), (110547, 182893)]