20483171880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{148817}}^1$

素因数の和:148899

約数の個数: 128

約数和(自身を含む): 65146567680

約数和(自身を除く): 44663395800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 2220, 2294, 3441, 3720, 4440, 4588, 5735, 6882, 9176, 11470, 13764, 17205, 22940, 27528, 34410, 45880, 68820, 137640, 148817, 297634, 446451, 595268, 744085, 892902, 1190536, 1488170, 1785804, 2232255, 2976340, 3571608, 4464510, 4613327, 5506229, 5952680, 8929020, 9226654, 11012458, 13839981, 16518687, 17858040, 18453308, 22024916, 23066635, 27531145, 27679962, 33037374, 36906616, 44049832, 46133270, 55062290, 55359924, 66074748, 69199905, 82593435, 92266540, 110124580, 110719848, 132149496, 138399810, 165186870, 170693099, 184533080, 220249160, 276799620, 330373740, 341386198, 512079297, 553599240, 660747480, 682772396, 853465495, 1024158594, 1365544792, 1706930990, 2048317188, 2560396485, 3413861980, 4096634376, 5120792970, 6827723960, 10241585940, 20483171880]

約数ペア:

[(1, 20483171880), (2, 10241585940), (3, 6827723960), (4, 5120792970), (5, 4096634376), (6, 3413861980), (8, 2560396485), (10, 2048317188), (12, 1706930990), (15, 1365544792), (20, 1024158594), (24, 853465495), (30, 682772396), (31, 660747480), (37, 553599240), (40, 512079297), (60, 341386198), (62, 330373740), (74, 276799620), (93, 220249160), (111, 184533080), (120, 170693099), (124, 165186870), (148, 138399810), (155, 132149496), (185, 110719848), (186, 110124580), (222, 92266540), (248, 82593435), (296, 69199905), (310, 66074748), (370, 55359924), (372, 55062290), (444, 46133270), (465, 44049832), (555, 36906616), (620, 33037374), (740, 27679962), (744, 27531145), (888, 23066635), (930, 22024916), (1110, 18453308), (1147, 17858040), (1240, 16518687), (1480, 13839981), (1860, 11012458), (2220, 9226654), (2294, 8929020), (3441, 5952680), (3720, 5506229), (4440, 4613327), (4588, 4464510), (5735, 3571608), (6882, 2976340), (9176, 2232255), (11470, 1785804), (13764, 1488170), (17205, 1190536), (22940, 892902), (27528, 744085), (34410, 595268), (45880, 446451), (68820, 297634), (137640, 148817)]