20742719998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{25457}}^1$

素因数の和:25538

約数の個数: 96

約数和(自身を含む): 43231349952

約数和(自身を除く): 22488629954

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 37, 74, 77, 91, 121, 143, 154, 182, 242, 259, 286, 407, 481, 518, 814, 847, 962, 1001, 1573, 1694, 2002, 2849, 3146, 3367, 4477, 5291, 5698, 6734, 8954, 10582, 11011, 22022, 25457, 31339, 37037, 50914, 58201, 62678, 74074, 116402, 178199, 280027, 330941, 356398, 407407, 560054, 661882, 814814, 941909, 1883818, 1960189, 2316587, 3080297, 3640351, 3920378, 4633174, 6160594, 6593363, 7280702, 10360999, 12244817, 13186726, 20721998, 21562079, 24489634, 25482457, 40043861, 43124158, 50964914, 72526993, 80087722, 85713719, 113970989, 134692987, 145053986, 171427438, 227941978, 269385974, 280307027, 560614054, 797796923, 942850909, 1481622857, 1595593846, 1885701818, 2963245714, 10371359999, 20742719998]

約数ペア:

[(1, 20742719998), (2, 10371359999), (7, 2963245714), (11, 1885701818), (13, 1595593846), (14, 1481622857), (22, 942850909), (26, 797796923), (37, 560614054), (74, 280307027), (77, 269385974), (91, 227941978), (121, 171427438), (143, 145053986), (154, 134692987), (182, 113970989), (242, 85713719), (259, 80087722), (286, 72526993), (407, 50964914), (481, 43124158), (518, 40043861), (814, 25482457), (847, 24489634), (962, 21562079), (1001, 20721998), (1573, 13186726), (1694, 12244817), (2002, 10360999), (2849, 7280702), (3146, 6593363), (3367, 6160594), (4477, 4633174), (5291, 3920378), (5698, 3640351), (6734, 3080297), (8954, 2316587), (10582, 1960189), (11011, 1883818), (22022, 941909), (25457, 814814), (31339, 661882), (37037, 560054), (50914, 407407), (58201, 356398), (62678, 330941), (74074, 280027), (116402, 178199)]