20807619679

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{7219}}^1$

素因数の和:7372

約数の個数: 48

約数和(自身を含む): 27102378240

約数和(自身を除く): 6294758561

約数列:

[1, 7, 11, 41, 77, 83, 121, 287, 451, 581, 847, 913, 3157, 3403, 4961, 6391, 7219, 10043, 23821, 34727, 37433, 50533, 70301, 79409, 262031, 295979, 411763, 555863, 599177, 873499, 2071853, 2882341, 3255769, 4194239, 6114493, 6590947, 22790383, 24566257, 35813459, 46136629, 72500417, 171963799, 250694213, 270228827, 507502919, 1891601789, 2972517097, 20807619679]

約数ペア:

[(1, 20807619679), (7, 2972517097), (11, 1891601789), (41, 507502919), (77, 270228827), (83, 250694213), (121, 171963799), (287, 72500417), (451, 46136629), (581, 35813459), (847, 24566257), (913, 22790383), (3157, 6590947), (3403, 6114493), (4961, 4194239), (6391, 3255769), (7219, 2882341), (10043, 2071853), (23821, 873499), (34727, 599177), (37433, 555863), (50533, 411763), (70301, 295979), (79409, 262031)]