20714496789

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{77359}}^1$

素因数の和:77721

約数の個数: 32

約数和(自身を含む): 32439214080

約数和(自身を除く): 11724717291

約数列:

[1, 3, 7, 21, 41, 123, 287, 311, 861, 933, 2177, 6531, 12751, 38253, 77359, 89257, 232077, 267771, 541513, 1624539, 3171719, 9515157, 22202033, 24058649, 66606099, 72175947, 168410543, 505231629, 986404609, 2959213827, 6904832263, 20714496789]

約数ペア:

[(1, 20714496789), (3, 6904832263), (7, 2959213827), (21, 986404609), (41, 505231629), (123, 168410543), (287, 72175947), (311, 66606099), (861, 24058649), (933, 22202033), (2177, 9515157), (6531, 3171719), (12751, 1624539), (38253, 541513), (77359, 267771), (89257, 232077)]