20495741760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17659}}^1$

素因数の和:17726

約数の個数: 336

約数和(自身を含む): 78373102080

約数和(自身を除く): 57877360320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 64, 65, 72, 78, 80, 90, 93, 96, 104, 117, 120, 124, 130, 144, 155, 156, 160, 180, 186, 192, 195, 208, 234, 240, 248, 260, 279, 288, 310, 312, 320, 360, 372, 390, 403, 416, 465, 468, 480, 496, 520, 558, 576, 585, 620, 624, 720, 744, 780, 806, 832, 930, 936, 960, 992, 1040, 1116, 1170, 1209, 1240, 1248, 1395, 1440, 1488, 1560, 1612, 1860, 1872, 1984, 2015, 2080, 2232, 2340, 2418, 2480, 2496, 2790, 2880, 2976, 3120, 3224, 3627, 3720, 3744, 4030, 4160, 4464, 4680, 4836, 4960, 5580, 5952, 6045, 6240, 6448, 7254, 7440, 7488, 8060, 8928, 9360, 9672, 9920, 11160, 12090, 12480, 12896, 14508, 14880, 16120, 17659, 17856, 18135, 18720, 19344, 22320, 24180, 25792, 29016, 29760, 32240, 35318, 36270, 37440, 38688, 44640, 48360, 52977, 58032, 64480, 70636, 72540, 77376, 88295, 89280, 96720, 105954, 116064, 128960, 141272, 145080, 158931, 176590, 193440, 211908, 229567, 232128, 264885, 282544, 290160, 317862, 353180, 386880, 423816, 459134, 529770, 547429, 565088, 580320, 635724, 688701, 706360, 794655, 847632, 918268, 1059540, 1094858, 1130176, 1147835, 1160640, 1271448, 1377402, 1412720, 1589310, 1642287, 1695264, 1836536, 2066103, 2119080, 2189716, 2295670, 2542896, 2737145, 2754804, 2825440, 3178620, 3284574, 3390528, 3443505, 3673072, 4132206, 4238160, 4379432, 4591340, 4926861, 5085792, 5474290, 5509608, 5650880, 6357240, 6569148, 6887010, 7116577, 7346144, 8211435, 8264412, 8476320, 8758864, 9182680, 9853722, 10171584, 10330515, 10948580, 11019216, 12714480, 13138296, 13774020, 14233154, 14692288, 16422870, 16528824, 16952640, 17517728, 18365360, 19707444, 20661030, 21349731, 21897160, 22038432, 24634305, 25428960, 26276592, 27548040, 28466308, 32845740, 33057648, 35035456, 35582885, 36730720, 39414888, 41322060, 42699462, 43794320, 44076864, 49268610, 50857920, 52553184, 55096080, 56932616, 64049193, 65691480, 66115296, 71165770, 73461440, 78829776, 82644120, 85398924, 87588640, 98537220, 105106368, 106748655, 110192160, 113865232, 128098386, 131382960, 132230592, 142331540, 157659552, 165288240, 170797848, 175177280, 197074440, 213497310, 220384320, 227730464, 256196772, 262765920, 284663080, 315319104, 320245965, 330576480, 341595696, 394148880, 426994620, 455460928, 512393544, 525531840, 569326160, 640491930, 661152960, 683191392, 788297760, 853989240, 1024787088, 1138652320, 1280983860, 1366382784, 1576595520, 1707978480, 2049574176, 2277304640, 2561967720, 3415956960, 4099148352, 5123935440, 6831913920, 10247870880, 20495741760]

約数ペア:

[(1, 20495741760), (2, 10247870880), (3, 6831913920), (4, 5123935440), (5, 4099148352), (6, 3415956960), (8, 2561967720), (9, 2277304640), (10, 2049574176), (12, 1707978480), (13, 1576595520), (15, 1366382784), (16, 1280983860), (18, 1138652320), (20, 1024787088), (24, 853989240), (26, 788297760), (30, 683191392), (31, 661152960), (32, 640491930), (36, 569326160), (39, 525531840), (40, 512393544), (45, 455460928), (48, 426994620), (52, 394148880), (60, 341595696), (62, 330576480), (64, 320245965), (65, 315319104), (72, 284663080), (78, 262765920), (80, 256196772), (90, 227730464), (93, 220384320), (96, 213497310), (104, 197074440), (117, 175177280), (120, 170797848), (124, 165288240), (130, 157659552), (144, 142331540), (155, 132230592), (156, 131382960), (160, 128098386), (180, 113865232), (186, 110192160), (192, 106748655), (195, 105106368), (208, 98537220), (234, 87588640), (240, 85398924), (248, 82644120), (260, 78829776), (279, 73461440), (288, 71165770), (310, 66115296), (312, 65691480), (320, 64049193), (360, 56932616), (372, 55096080), (390, 52553184), (403, 50857920), (416, 49268610), (465, 44076864), (468, 43794320), (480, 42699462), (496, 41322060), (520, 39414888), (558, 36730720), (576, 35582885), (585, 35035456), (620, 33057648), (624, 32845740), (720, 28466308), (744, 27548040), (780, 26276592), (806, 25428960), (832, 24634305), (930, 22038432), (936, 21897160), (960, 21349731), (992, 20661030), (1040, 19707444), (1116, 18365360), (1170, 17517728), (1209, 16952640), (1240, 16528824), (1248, 16422870), (1395, 14692288), (1440, 14233154), (1488, 13774020), (1560, 13138296), (1612, 12714480), (1860, 11019216), (1872, 10948580), (1984, 10330515), (2015, 10171584), (2080, 9853722), (2232, 9182680), (2340, 8758864), (2418, 8476320), (2480, 8264412), (2496, 8211435), (2790, 7346144), (2880, 7116577), (2976, 6887010), (3120, 6569148), (3224, 6357240), (3627, 5650880), (3720, 5509608), (3744, 5474290), (4030, 5085792), (4160, 4926861), (4464, 4591340), (4680, 4379432), (4836, 4238160), (4960, 4132206), (5580, 3673072), (5952, 3443505), (6045, 3390528), (6240, 3284574), (6448, 3178620), (7254, 2825440), (7440, 2754804), (7488, 2737145), (8060, 2542896), (8928, 2295670), (9360, 2189716), (9672, 2119080), (9920, 2066103), (11160, 1836536), (12090, 1695264), (12480, 1642287), (12896, 1589310), (14508, 1412720), (14880, 1377402), (16120, 1271448), (17659, 1160640), (17856, 1147835), (18135, 1130176), (18720, 1094858), (19344, 1059540), (22320, 918268), (24180, 847632), (25792, 794655), (29016, 706360), (29760, 688701), (32240, 635724), (35318, 580320), (36270, 565088), (37440, 547429), (38688, 529770), (44640, 459134), (48360, 423816), (52977, 386880), (58032, 353180), (64480, 317862), (70636, 290160), (72540, 282544), (77376, 264885), (88295, 232128), (89280, 229567), (96720, 211908), (105954, 193440), (116064, 176590), (128960, 158931), (141272, 145080)]