20399389920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 960

約数和(自身を含む): 90671011200

約数和(自身を除く): 70271621280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 81, 84, 90, 91, 96, 98, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 147, 156, 160, 162, 168, 180, 182, 189, 195, 196, 208, 210, 216, 224, 234, 240, 245, 252, 260, 270, 273, 280, 288, 294, 312, 315, 324, 336, 343, 351, 353, 360, 364, 378, 390, 392, 405, 416, 420, 432, 441, 455, 468, 480, 490, 504, 520, 540, 546, 560, 567, 585, 588, 624, 630, 637, 648, 672, 686, 702, 706, 720, 728, 735, 756, 780, 784, 810, 819, 840, 864, 882, 910, 936, 945, 980, 1008, 1029, 1040, 1053, 1059, 1080, 1092, 1120, 1134, 1170, 1176, 1248, 1260, 1274, 1296, 1323, 1365, 1372, 1404, 1412, 1440, 1456, 1470, 1512, 1560, 1568, 1620, 1638, 1680, 1715, 1755, 1764, 1765, 1820, 1872, 1890, 1911, 1960, 2016, 2058, 2080, 2106, 2118, 2160, 2184, 2205, 2268, 2340, 2352, 2457, 2471, 2520, 2548, 2592, 2646, 2730, 2744, 2808, 2824, 2835, 2912, 2940, 3024, 3087, 3120, 3177, 3185, 3240, 3276, 3360, 3430, 3510, 3528, 3530, 3640, 3744, 3780, 3822, 3920, 3969, 4095, 4116, 4212, 4236, 4320, 4368, 4410, 4459, 4536, 4589, 4680, 4704, 4914, 4942, 5040, 5096, 5145, 5265, 5292, 5295, 5460, 5488, 5616, 5648, 5670, 5733, 5880, 6048, 6174, 6240, 6354, 6370, 6480, 6552, 6615, 6860, 7020, 7056, 7060, 7280, 7371, 7413, 7560, 7644, 7840, 7938, 8190, 8232, 8424, 8472, 8736, 8820, 8918, 9072, 9178, 9261, 9360, 9531, 9555, 9828, 9884, 10080, 10192, 10290, 10530, 10584, 10590, 10920, 10976, 11232, 11296, 11340, 11466, 11760, 12285, 12348, 12355, 12708, 12740, 12960, 13104, 13230, 13377, 13720, 13767, 14040, 14112, 14120, 14560, 14742, 14826, 15120, 15288, 15435, 15876, 15885, 16380, 16464, 16848, 16944, 17199, 17297, 17640, 17836, 18144, 18356, 18522, 18720, 19062, 19110, 19656, 19768, 19845, 20384, 20580, 21060, 21168, 21180, 21840, 22239, 22295, 22680, 22932, 22945, 23520, 24570, 24696, 24710, 25416, 25480, 26208, 26460, 26754, 27440, 27534, 27783, 28080, 28240, 28593, 28665, 29484, 29652, 30240, 30576, 30870, 31752, 31770, 32123, 32760, 32928, 33696, 33888, 34398, 34594, 35280, 35672, 36712, 36855, 37044, 37065, 38124, 38220, 39312, 39536, 39690, 40131, 41160, 41301, 42120, 42336, 42360, 43680, 44478, 44590, 45360, 45864, 45890, 46305, 47655, 49140, 49392, 49420, 50832, 50960, 51597, 51891, 52920, 53508, 54880, 55068, 55566, 56160, 56480, 57186, 57330, 58968, 59304, 61152, 61740, 63504, 63540, 64246, 65520, 66717, 66885, 68796, 68835, 69188, 70560, 71344, 73424, 73710, 74088, 74130, 76248, 76440, 78624, 79072, 79380, 80262, 82320, 82602, 84240, 84720, 85995, 86485, 88956, 89180, 90720, 91728, 91780, 92610, 95310, 96369, 98280, 98784, 98840, 101664, 101920, 103194, 103782, 105840, 107016, 110136, 111132, 111195, 114372, 114660, 117936, 118608, 120393, 121079, 123480, 123903, 127008, 127080, 128492, 131040, 133434, 133770, 137592, 137670, 138376, 138915, 142688, 142965, 146848, 147420, 148176, 148260, 152496, 152880, 155673, 158760, 160524, 160615, 164640, 165204, 168480, 169440, 171990, 172970, 177912, 178360, 183456, 183560, 185220, 190620, 192738, 196560, 197680, 200151, 200655, 206388, 206505, 207564, 211680, 214032, 220272, 222264, 222390, 224861, 228744, 229320, 235872, 237216, 240786, 242158, 246960, 247806, 254160, 256984, 257985, 259455, 266868, 267540, 275184, 275340, 276752, 277830, 285930, 289107, 294840, 296352, 296520, 304992, 305760, 311346, 317520, 321048, 321230, 330408, 333585, 343980, 345940, 355824, 356720, 361179, 363237, 367120, 370440, 371709, 381240, 385476, 393120, 395360, 400302, 401310, 412776, 413010, 415128, 428064, 440544, 444528, 444780, 449722, 457488, 458640, 467019, 481572, 481845, 484316, 493920, 495612, 508320, 513968, 515970, 518910, 533736, 535080, 550368, 550680, 553504, 555660, 571860, 578214, 589680, 593040, 601965, 605395, 619515, 622692, 635040, 642096, 642460, 660816, 667170, 674583, 687960, 691880, 711648, 713440, 722358, 726474, 734240, 740880, 743418, 762480, 770952, 778365, 800604, 802620, 825552, 826020, 830256, 867321, 889056, 889560, 899444, 914976, 917280, 934038, 963144, 963690, 968632, 991224, 1000755, 1027936, 1031940, 1037820, 1067472, 1070160, 1089711, 1101360, 1111320, 1124305, 1143720, 1156428, 1179360, 1186080, 1203930, 1210790, 1239030, 1245384, 1284192, 1284920, 1321632, 1334340, 1349166, 1375920, 1383760, 1401057, 1444716, 1445535, 1452948, 1481760, 1486836, 1524960, 1541904, 1556730, 1574027, 1601208, 1605240, 1651104, 1652040, 1660512, 1734642, 1779120, 1798888, 1805895, 1816185, 1858545, 1868076, 1926288, 1927380, 1937264, 1982448, 2001510, 2023749, 2063880, 2075640, 2134944, 2140320, 2179422, 2202720, 2222640, 2248610, 2287440, 2312856, 2335095, 2407860, 2421580, 2478060, 2490768, 2569840, 2601963, 2668680, 2698332, 2751840, 2767520, 2802114, 2889432, 2891070, 2905896, 2973672, 3083808, 3113460, 3148054, 3202416, 3210480, 3269133, 3304080, 3372915, 3469284, 3558240, 3597776, 3611790, 3632370, 3717090, 3736152, 3852576, 3854760, 3874528, 3964896, 4003020, 4047498, 4127760, 4151280, 4336605, 4358844, 4445280, 4497220, 4574880, 4625712, 4670190, 4722081, 4815720, 4843160, 4956120, 4981536, 5139680, 5203926, 5337360, 5396664, 5448555, 5604228, 5778864, 5782140, 5811792, 5947344, 6071247, 6226920, 6296108, 6404832, 6420960, 6538266, 6608160, 6745830, 6938568, 7005285, 7195552, 7223580, 7264740, 7434180, 7472304, 7709520, 7870135, 8006040, 8094996, 8255520, 8302560, 8673210, 8717688, 8994440, 9251424, 9340380, 9444162, 9631440, 9686320, 9807399, 9912240, 10118745, 10407852, 10674720, 10793328, 10897110, 11208456, 11557728, 11564280, 11623584, 11894688, 12142494, 12453840, 12592216, 13009815, 13076532, 13491660, 13877136, 14010570, 14166243, 14447160, 14529480, 14868360, 14944608, 15419040, 15740270, 16012080, 16189992, 16345665, 17346420, 17435376, 17988880, 18213741, 18680760, 18888324, 19262880, 19372640, 19614798, 19824480, 20237490, 20815704, 21586656, 21794220, 22416912, 23128560, 23610405, 24284988, 24907680, 25184432, 26019630, 26153064, 26983320, 27754272, 28021140, 28332486, 28894320, 29058960, 29736720, 30356235, 31480540, 32024160, 32379984, 32691330, 34692840, 34870752, 35977760, 36427482, 37361520, 37776648, 39229596, 40474980, 41631408, 42498729, 43588440, 44833824, 46257120, 47220810, 48569976, 49036995, 50368864, 52039260, 52306128, 53966640, 56042280, 56664972, 57788640, 58117920, 59473440, 60712470, 62961080, 64759968, 65382660, 69385680, 70831215, 72854964, 74723040, 75553296, 78459192, 80949960, 83262816, 84997458, 87176880, 91068705, 94441620, 97139952, 98073990, 104078520, 104612256, 107933280, 112084560, 113329944, 121424940, 125922160, 127496187, 130765320, 138771360, 141662430, 145709928, 151106592, 156918384, 161899920, 169994916, 174353760, 182137410, 188883240, 194279904, 196147980, 208157040, 212493645, 224169120, 226659888, 242849880, 251844320, 254992374, 261530640, 283324860, 291419856, 313836768, 323799840, 339989832, 364274820, 377766480, 392295960, 416314080, 424987290, 453319776, 485699760, 509984748, 523061280, 566649720, 582839712, 637480935, 679979664, 728549640, 755532960, 784591920, 849974580, 971399520, 1019969496, 1133299440, 1274961870, 1359959328, 1457099280, 1569183840, 1699949160, 2039938992, 2266598880, 2549923740, 2914198560, 3399898320, 4079877984, 5099847480, 6799796640, 10199694960, 20399389920]

約数ペア:

[(1, 20399389920), (2, 10199694960), (3, 6799796640), (4, 5099847480), (5, 4079877984), (6, 3399898320), (7, 2914198560), (8, 2549923740), (9, 2266598880), (10, 2039938992), (12, 1699949160), (13, 1569183840), (14, 1457099280), (15, 1359959328), (16, 1274961870), (18, 1133299440), (20, 1019969496), (21, 971399520), (24, 849974580), (26, 784591920), (27, 755532960), (28, 728549640), (30, 679979664), (32, 637480935), (35, 582839712), (36, 566649720), (39, 523061280), (40, 509984748), (42, 485699760), (45, 453319776), (48, 424987290), (49, 416314080), (52, 392295960), (54, 377766480), (56, 364274820), (60, 339989832), (63, 323799840), (65, 313836768), (70, 291419856), (72, 283324860), (78, 261530640), (80, 254992374), (81, 251844320), (84, 242849880), (90, 226659888), (91, 224169120), (96, 212493645), (98, 208157040), (104, 196147980), (105, 194279904), (108, 188883240), (112, 182137410), (117, 174353760), (120, 169994916), (126, 161899920), (130, 156918384), (135, 151106592), (140, 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31480540), (672, 30356235), (686, 29736720), (702, 29058960), (706, 28894320), (720, 28332486), (728, 28021140), (735, 27754272), (756, 26983320), (780, 26153064), (784, 26019630), (810, 25184432), (819, 24907680), (840, 24284988), (864, 23610405), (882, 23128560), (910, 22416912), (936, 21794220), (945, 21586656), (980, 20815704), (1008, 20237490), (1029, 19824480), (1040, 19614798), (1053, 19372640), (1059, 19262880), (1080, 18888324), (1092, 18680760), (1120, 18213741), (1134, 17988880), (1170, 17435376), (1176, 17346420), (1248, 16345665), (1260, 16189992), (1274, 16012080), (1296, 15740270), (1323, 15419040), (1365, 14944608), (1372, 14868360), (1404, 14529480), (1412, 14447160), (1440, 14166243), (1456, 14010570), (1470, 13877136), (1512, 13491660), (1560, 13076532), (1568, 13009815), (1620, 12592216), (1638, 12453840), (1680, 12142494), (1715, 11894688), (1755, 11623584), (1764, 11564280), (1765, 11557728), (1820, 11208456), (1872, 10897110), (1890, 10793328), (1911, 10674720), (1960, 10407852), (2016, 10118745), (2058, 9912240), (2080, 9807399), (2106, 9686320), (2118, 9631440), (2160, 9444162), (2184, 9340380), (2205, 9251424), (2268, 8994440), (2340, 8717688), (2352, 8673210), (2457, 8302560), (2471, 8255520), (2520, 8094996), (2548, 8006040), (2592, 7870135), (2646, 7709520), (2730, 7472304), (2744, 7434180), (2808, 7264740), (2824, 7223580), (2835, 7195552), (2912, 7005285), (2940, 6938568), (3024, 6745830), (3087, 6608160), (3120, 6538266), (3177, 6420960), (3185, 6404832), (3240, 6296108), (3276, 6226920), (3360, 6071247), (3430, 5947344), (3510, 5811792), (3528, 5782140), (3530, 5778864), (3640, 5604228), (3744, 5448555), (3780, 5396664), (3822, 5337360), (3920, 5203926), (3969, 5139680), (4095, 4981536), (4116, 4956120), (4212, 4843160), (4236, 4815720), (4320, 4722081), (4368, 4670190), (4410, 4625712), (4459, 4574880), (4536, 4497220), (4589, 4445280), (4680, 4358844), (4704, 4336605), (4914, 4151280), (4942, 4127760), (5040, 4047498), (5096, 4003020), (5145, 3964896), (5265, 3874528), (5292, 3854760), (5295, 3852576), (5460, 3736152), (5488, 3717090), (5616, 3632370), (5648, 3611790), (5670, 3597776), (5733, 3558240), (5880, 3469284), (6048, 3372915), (6174, 3304080), (6240, 3269133), (6354, 3210480), (6370, 3202416), (6480, 3148054), (6552, 3113460), (6615, 3083808), (6860, 2973672), (7020, 2905896), (7056, 2891070), (7060, 2889432), (7280, 2802114), (7371, 2767520), (7413, 2751840), (7560, 2698332), (7644, 2668680), (7840, 2601963), (7938, 2569840), (8190, 2490768), (8232, 2478060), (8424, 2421580), (8472, 2407860), (8736, 2335095), (8820, 2312856), (8918, 2287440), (9072, 2248610), (9178, 2222640), (9261, 2202720), (9360, 2179422), (9531, 2140320), (9555, 2134944), (9828, 2075640), (9884, 2063880), (10080, 2023749), (10192, 2001510), (10290, 1982448), (10530, 1937264), (10584, 1927380), (10590, 1926288), (10920, 1868076), (10976, 1858545), (11232, 1816185), (11296, 1805895), (11340, 1798888), (11466, 1779120), (11760, 1734642), (12285, 1660512), (12348, 1652040), (12355, 1651104), (12708, 1605240), (12740, 1601208), (12960, 1574027), (13104, 1556730), (13230, 1541904), (13377, 1524960), (13720, 1486836), (13767, 1481760), (14040, 1452948), (14112, 1445535), (14120, 1444716), (14560, 1401057), (14742, 1383760), (14826, 1375920), (15120, 1349166), (15288, 1334340), (15435, 1321632), (15876, 1284920), (15885, 1284192), (16380, 1245384), (16464, 1239030), (16848, 1210790), (16944, 1203930), (17199, 1186080), (17297, 1179360), (17640, 1156428), (17836, 1143720), (18144, 1124305), (18356, 1111320), (18522, 1101360), (18720, 1089711), (19062, 1070160), (19110, 1067472), (19656, 1037820), (19768, 1031940), (19845, 1027936), (20384, 1000755), (20580, 991224), (21060, 968632), (21168, 963690), (21180, 963144), (21840, 934038), (22239, 917280), (22295, 914976), (22680, 899444), (22932, 889560), (22945, 889056), (23520, 867321), (24570, 830256), (24696, 826020), (24710, 825552), (25416, 802620), (25480, 800604), (26208, 778365), (26460, 770952), (26754, 762480), (27440, 743418), (27534, 740880), (27783, 734240), (28080, 726474), (28240, 722358), (28593, 713440), (28665, 711648), (29484, 691880), (29652, 687960), (30240, 674583), (30576, 667170), (30870, 660816), (31752, 642460), (31770, 642096), (32123, 635040), (32760, 622692), (32928, 619515), (33696, 605395), (33888, 601965), (34398, 593040), (34594, 589680), (35280, 578214), (35672, 571860), (36712, 555660), (36855, 553504), (37044, 550680), (37065, 550368), (38124, 535080), (38220, 533736), (39312, 518910), (39536, 515970), (39690, 513968), (40131, 508320), (41160, 495612), (41301, 493920), (42120, 484316), (42336, 481845), (42360, 481572), (43680, 467019), (44478, 458640), (44590, 457488), (45360, 449722), (45864, 444780), (45890, 444528), (46305, 440544), (47655, 428064), (49140, 415128), (49392, 413010), (49420, 412776), (50832, 401310), (50960, 400302), (51597, 395360), (51891, 393120), (52920, 385476), (53508, 381240), (54880, 371709), (55068, 370440), (55566, 367120), (56160, 363237), (56480, 361179), (57186, 356720), (57330, 355824), (58968, 345940), (59304, 343980), (61152, 333585), (61740, 330408), (63504, 321230), (63540, 321048), (64246, 317520), (65520, 311346), (66717, 305760), (66885, 304992), (68796, 296520), (68835, 296352), (69188, 294840), (70560, 289107), (71344, 285930), (73424, 277830), (73710, 276752), (74088, 275340), (74130, 275184), (76248, 267540), (76440, 266868), (78624, 259455), (79072, 257985), (79380, 256984), (80262, 254160), (82320, 247806), (82602, 246960), (84240, 242158), (84720, 240786), (85995, 237216), (86485, 235872), (88956, 229320), (89180, 228744), (90720, 224861), (91728, 222390), (91780, 222264), (92610, 220272), (95310, 214032), (96369, 211680), (98280, 207564), (98784, 206505), (98840, 206388), (101664, 200655), (101920, 200151), (103194, 197680), (103782, 196560), (105840, 192738), (107016, 190620), (110136, 185220), (111132, 183560), (111195, 183456), (114372, 178360), (114660, 177912), (117936, 172970), (118608, 171990), (120393, 169440), (121079, 168480), (123480, 165204), (123903, 164640), (127008, 160615), (127080, 160524), (128492, 158760), (131040, 155673), (133434, 152880), (133770, 152496), (137592, 148260), (137670, 148176), (138376, 147420), (138915, 146848), (142688, 142965)]