20549696640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31387}}^1$

素因数の和:31451

約数の個数: 256

約数和(自身を含む): 73764311040

約数和(自身を除く): 53214614400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 496, 528, 620, 640, 660, 682, 704, 744, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1488, 1705, 1760, 1860, 1920, 1984, 2046, 2112, 2480, 2640, 2728, 2976, 3410, 3520, 3720, 3968, 4092, 4224, 4960, 5115, 5280, 5456, 5952, 6820, 7040, 7440, 8184, 9920, 10230, 10560, 10912, 11904, 13640, 14880, 16368, 19840, 20460, 21120, 21824, 27280, 29760, 31387, 32736, 40920, 43648, 54560, 59520, 62774, 65472, 81840, 94161, 109120, 125548, 130944, 156935, 163680, 188322, 218240, 251096, 313870, 327360, 345257, 376644, 470805, 502192, 627740, 654720, 690514, 753288, 941610, 972997, 1004384, 1035771, 1255480, 1381028, 1506576, 1726285, 1883220, 1945994, 2008768, 2071542, 2510960, 2762056, 2918991, 3013152, 3452570, 3766440, 3891988, 4017536, 4143084, 4864985, 5021920, 5178855, 5524112, 5837982, 6026304, 6905140, 7532880, 7783976, 8286168, 9729970, 10043840, 10357710, 10702967, 11048224, 11675964, 12052608, 13810280, 14594955, 15065760, 15567952, 16572336, 19459940, 20087680, 20715420, 21405934, 22096448, 23351928, 27620560, 29189910, 30131520, 31135904, 32108901, 33144672, 38919880, 41430840, 42811868, 44192896, 46703856, 53514835, 55241120, 58379820, 60263040, 62271808, 64217802, 66289344, 77839760, 82861680, 85623736, 93407712, 107029670, 110482240, 116759640, 124543616, 128435604, 132578688, 155679520, 160544505, 165723360, 171247472, 186815424, 214059340, 220964480, 233519280, 256871208, 311359040, 321089010, 331446720, 342494944, 373630848, 428118680, 467038560, 513742416, 622718080, 642178020, 662893440, 684989888, 856237360, 934077120, 1027484832, 1284356040, 1369979776, 1712474720, 1868154240, 2054969664, 2568712080, 3424949440, 4109939328, 5137424160, 6849898880, 10274848320, 20549696640]

約数ペア:

[(1, 20549696640), (2, 10274848320), (3, 6849898880), (4, 5137424160), (5, 4109939328), (6, 3424949440), (8, 2568712080), (10, 2054969664), (11, 1868154240), (12, 1712474720), (15, 1369979776), (16, 1284356040), (20, 1027484832), (22, 934077120), (24, 856237360), (30, 684989888), (31, 662893440), (32, 642178020), (33, 622718080), (40, 513742416), (44, 467038560), (48, 428118680), (55, 373630848), (60, 342494944), (62, 331446720), (64, 321089010), (66, 311359040), (80, 256871208), (88, 233519280), (93, 220964480), (96, 214059340), (110, 186815424), (120, 171247472), (124, 165723360), (128, 160544505), (132, 155679520), (155, 132578688), (160, 128435604), (165, 124543616), (176, 116759640), (186, 110482240), (192, 107029670), (220, 93407712), (240, 85623736), (248, 82861680), (264, 77839760), (310, 66289344), (320, 64217802), (330, 62271808), (341, 60263040), (352, 58379820), (372, 55241120), (384, 53514835), (440, 46703856), (465, 44192896), (480, 42811868), (496, 41430840), (528, 38919880), (620, 33144672), (640, 32108901), (660, 31135904), (682, 30131520), (704, 29189910), (744, 27620560), (880, 23351928), (930, 22096448), (960, 21405934), (992, 20715420), (1023, 20087680), (1056, 19459940), (1240, 16572336), (1320, 15567952), (1364, 15065760), (1408, 14594955), (1488, 13810280), (1705, 12052608), (1760, 11675964), (1860, 11048224), (1920, 10702967), (1984, 10357710), (2046, 10043840), (2112, 9729970), (2480, 8286168), (2640, 7783976), (2728, 7532880), (2976, 6905140), (3410, 6026304), (3520, 5837982), (3720, 5524112), (3968, 5178855), (4092, 5021920), (4224, 4864985), (4960, 4143084), (5115, 4017536), (5280, 3891988), (5456, 3766440), (5952, 3452570), (6820, 3013152), (7040, 2918991), (7440, 2762056), (8184, 2510960), (9920, 2071542), (10230, 2008768), (10560, 1945994), (10912, 1883220), (11904, 1726285), (13640, 1506576), (14880, 1381028), (16368, 1255480), (19840, 1035771), (20460, 1004384), (21120, 972997), (21824, 941610), (27280, 753288), (29760, 690514), (31387, 654720), (32736, 627740), (40920, 502192), (43648, 470805), (54560, 376644), (59520, 345257), (62774, 327360), (65472, 313870), (81840, 251096), (94161, 218240), (109120, 188322), (125548, 163680), (130944, 156935)]