20104998480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{38729}}^1$

素因数の和:38858

約数の個数: 240

約数和(自身を含む): 77916084480

約数和(自身を除く): 57811086000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 103, 105, 112, 120, 126, 140, 144, 168, 180, 206, 210, 240, 252, 280, 309, 315, 336, 360, 412, 420, 504, 515, 560, 618, 630, 720, 721, 824, 840, 927, 1008, 1030, 1236, 1260, 1442, 1545, 1648, 1680, 1854, 2060, 2163, 2472, 2520, 2884, 3090, 3605, 3708, 4120, 4326, 4635, 4944, 5040, 5768, 6180, 6489, 7210, 7416, 8240, 8652, 9270, 10815, 11536, 12360, 12978, 14420, 14832, 17304, 18540, 21630, 24720, 25956, 28840, 32445, 34608, 37080, 38729, 43260, 51912, 57680, 64890, 74160, 77458, 86520, 103824, 116187, 129780, 154916, 173040, 193645, 232374, 259560, 271103, 309832, 348561, 387290, 464748, 519120, 542206, 580935, 619664, 697122, 774580, 813309, 929496, 1084412, 1161870, 1355515, 1394244, 1549160, 1626618, 1742805, 1858992, 2168824, 2323740, 2439927, 2711030, 2788488, 3098320, 3253236, 3485610, 3989087, 4066545, 4337648, 4647480, 4879854, 5422060, 5576976, 6506472, 6971220, 7978174, 8133090, 9294960, 9759708, 10844120, 11967261, 12199635, 13012944, 13942440, 15956348, 16266180, 19519416, 19945435, 21688240, 23934522, 24399270, 27884880, 27923609, 31912696, 32532360, 35901783, 39038832, 39890870, 47869044, 48798540, 55847218, 59836305, 63825392, 65064720, 71803566, 79781740, 83770827, 95738088, 97597080, 111694436, 119672610, 139618045, 143607132, 159563480, 167541654, 179508915, 191476176, 195194160, 223388872, 239345220, 251312481, 279236090, 287214264, 319126960, 335083308, 359017830, 418854135, 446777744, 478690440, 502624962, 558472180, 574428528, 670166616, 718035660, 837708270, 957380880, 1005249924, 1116944360, 1256562405, 1340333232, 1436071320, 1675416540, 2010499848, 2233888720, 2513124810, 2872142640, 3350833080, 4020999696, 5026249620, 6701666160, 10052499240, 20104998480]

約数ペア:

[(1, 20104998480), (2, 10052499240), (3, 6701666160), (4, 5026249620), (5, 4020999696), (6, 3350833080), (7, 2872142640), (8, 2513124810), (9, 2233888720), (10, 2010499848), (12, 1675416540), (14, 1436071320), (15, 1340333232), (16, 1256562405), (18, 1116944360), (20, 1005249924), (21, 957380880), (24, 837708270), (28, 718035660), (30, 670166616), (35, 574428528), (36, 558472180), (40, 502624962), (42, 478690440), (45, 446777744), (48, 418854135), (56, 359017830), (60, 335083308), (63, 319126960), (70, 287214264), (72, 279236090), (80, 251312481), (84, 239345220), (90, 223388872), (103, 195194160), (105, 191476176), (112, 179508915), (120, 167541654), (126, 159563480), (140, 143607132), (144, 139618045), (168, 119672610), (180, 111694436), (206, 97597080), (210, 95738088), (240, 83770827), (252, 79781740), (280, 71803566), (309, 65064720), (315, 63825392), (336, 59836305), (360, 55847218), (412, 48798540), (420, 47869044), (504, 39890870), (515, 39038832), (560, 35901783), (618, 32532360), (630, 31912696), (720, 27923609), (721, 27884880), (824, 24399270), (840, 23934522), (927, 21688240), (1008, 19945435), (1030, 19519416), (1236, 16266180), (1260, 15956348), (1442, 13942440), (1545, 13012944), (1648, 12199635), (1680, 11967261), (1854, 10844120), (2060, 9759708), (2163, 9294960), (2472, 8133090), (2520, 7978174), (2884, 6971220), (3090, 6506472), (3605, 5576976), (3708, 5422060), (4120, 4879854), (4326, 4647480), (4635, 4337648), (4944, 4066545), (5040, 3989087), (5768, 3485610), (6180, 3253236), (6489, 3098320), (7210, 2788488), (7416, 2711030), (8240, 2439927), (8652, 2323740), (9270, 2168824), (10815, 1858992), (11536, 1742805), (12360, 1626618), (12978, 1549160), (14420, 1394244), (14832, 1355515), (17304, 1161870), (18540, 1084412), (21630, 929496), (24720, 813309), (25956, 774580), (28840, 697122), (32445, 619664), (34608, 580935), (37080, 542206), (38729, 519120), (43260, 464748), (51912, 387290), (57680, 348561), (64890, 309832), (74160, 271103), (77458, 259560), (86520, 232374), (103824, 193645), (116187, 173040), (129780, 154916)]