20120854960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{601}}^1$

素因数の和:887

約数の個数: 160

約数和(自身を含む): 49097482560

約数和(自身を除く): 28976627600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 59, 80, 82, 118, 164, 173, 205, 236, 295, 328, 346, 410, 472, 590, 601, 656, 692, 820, 865, 944, 1180, 1202, 1384, 1640, 1730, 2360, 2404, 2419, 2768, 3005, 3280, 3460, 4720, 4808, 4838, 6010, 6920, 7093, 9616, 9676, 10207, 12020, 12095, 13840, 14186, 19352, 20414, 24040, 24190, 24641, 28372, 35459, 35465, 38704, 40828, 48080, 48380, 49282, 51035, 56744, 70918, 70930, 81656, 96760, 98564, 102070, 103973, 113488, 123205, 141836, 141860, 163312, 177295, 193520, 197128, 204140, 207946, 246410, 283672, 283720, 354590, 394256, 408280, 415892, 418487, 492820, 519865, 567344, 567440, 709180, 816560, 831784, 836974, 985640, 1039730, 1418360, 1453819, 1663568, 1673948, 1971280, 2079460, 2092435, 2836720, 2907638, 3347896, 4158920, 4184870, 4262893, 5815276, 6134407, 6695792, 7269095, 8317840, 8369740, 8525786, 11630552, 12268814, 14538190, 16739480, 17051572, 21314465, 23261104, 24537628, 29076380, 30672035, 33478960, 34103144, 42628930, 49075256, 58152760, 61344070, 68206288, 85257860, 98150512, 116305520, 122688140, 170515720, 245376280, 251510687, 341031440, 490752560, 503021374, 1006042748, 1257553435, 2012085496, 2515106870, 4024170992, 5030213740, 10060427480, 20120854960]

約数ペア:

[(1, 20120854960), (2, 10060427480), (4, 5030213740), (5, 4024170992), (8, 2515106870), (10, 2012085496), (16, 1257553435), (20, 1006042748), (40, 503021374), (41, 490752560), (59, 341031440), (80, 251510687), (82, 245376280), (118, 170515720), (164, 122688140), (173, 116305520), (205, 98150512), (236, 85257860), (295, 68206288), (328, 61344070), (346, 58152760), (410, 49075256), (472, 42628930), (590, 34103144), (601, 33478960), (656, 30672035), (692, 29076380), (820, 24537628), (865, 23261104), (944, 21314465), (1180, 17051572), (1202, 16739480), (1384, 14538190), (1640, 12268814), (1730, 11630552), (2360, 8525786), (2404, 8369740), (2419, 8317840), (2768, 7269095), (3005, 6695792), (3280, 6134407), (3460, 5815276), (4720, 4262893), (4808, 4184870), (4838, 4158920), (6010, 3347896), (6920, 2907638), (7093, 2836720), (9616, 2092435), (9676, 2079460), (10207, 1971280), (12020, 1673948), (12095, 1663568), (13840, 1453819), (14186, 1418360), (19352, 1039730), (20414, 985640), (24040, 836974), (24190, 831784), (24641, 816560), (28372, 709180), (35459, 567440), (35465, 567344), (38704, 519865), (40828, 492820), (48080, 418487), (48380, 415892), (49282, 408280), (51035, 394256), (56744, 354590), (70918, 283720), (70930, 283672), (81656, 246410), (96760, 207946), (98564, 204140), (102070, 197128), (103973, 193520), (113488, 177295), (123205, 163312), (141836, 141860)]