20493375840

素因数分解:

$2^5\times 3^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 864

約数和(自身を含む): 87336797184

約数和(自身を除く): 66843421344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 90, 93, 96, 98, 105, 108, 112, 120, 124, 126, 135, 140, 144, 147, 155, 160, 162, 168, 180, 186, 189, 196, 210, 216, 217, 224, 240, 243, 245, 248, 252, 270, 279, 280, 288, 294, 310, 315, 324, 336, 347, 360, 372, 378, 392, 405, 420, 432, 434, 441, 465, 480, 486, 490, 496, 504, 540, 558, 560, 567, 588, 620, 630, 648, 651, 672, 694, 720, 735, 744, 756, 784, 810, 837, 840, 864, 868, 882, 930, 945, 972, 980, 992, 1008, 1041, 1080, 1085, 1116, 1120, 1134, 1176, 1215, 1240, 1260, 1296, 1302, 1323, 1388, 1395, 1440, 1470, 1488, 1512, 1519, 1568, 1620, 1674, 1680, 1701, 1735, 1736, 1764, 1860, 1890, 1944, 1953, 1960, 2016, 2082, 2160, 2170, 2205, 2232, 2268, 2352, 2429, 2430, 2480, 2511, 2520, 2592, 2604, 2646, 2776, 2790, 2835, 2940, 2976, 3024, 3038, 3123, 3240, 3255, 3348, 3360, 3402, 3470, 3472, 3528, 3720, 3780, 3888, 3906, 3920, 3969, 4164, 4185, 4320, 4340, 4410, 4464, 4536, 4557, 4704, 4858, 4860, 4960, 5022, 5040, 5205, 5208, 5292, 5552, 5580, 5670, 5859, 5880, 6048, 6076, 6246, 6480, 6510, 6615, 6696, 6804, 6940, 6944, 7056, 7287, 7440, 7533, 7560, 7595, 7776, 7812, 7840, 7938, 8328, 8370, 8505, 8680, 8820, 8928, 9072, 9114, 9369, 9716, 9720, 9765, 10044, 10080, 10410, 10416, 10584, 10757, 11104, 11160, 11340, 11718, 11760, 11907, 12145, 12152, 12492, 12555, 12960, 13020, 13230, 13392, 13608, 13671, 13880, 14112, 14574, 14880, 15066, 15120, 15190, 15615, 15624, 15876, 16656, 16740, 17003, 17010, 17360, 17577, 17640, 18144, 18228, 18738, 19432, 19440, 19530, 19845, 20088, 20820, 20832, 21168, 21514, 21861, 22320, 22680, 22785, 23436, 23520, 23814, 24290, 24304, 24984, 25110, 26040, 26460, 26784, 27216, 27342, 27760, 28107, 29148, 29295, 30132, 30240, 30380, 31230, 31248, 31752, 32271, 33312, 33480, 34006, 34020, 34720, 35154, 35280, 36435, 36456, 37476, 37665, 38864, 38880, 39060, 39690, 40176, 41013, 41640, 42336, 43028, 43722, 44640, 45360, 45570, 46845, 46872, 47628, 48580, 48608, 49968, 50220, 51009, 52080, 52731, 52920, 53785, 54432, 54684, 55520, 56214, 58296, 58590, 59535, 60264, 60760, 62460, 62496, 63504, 64542, 65583, 66960, 68012, 68040, 68355, 70308, 70560, 72870, 72912, 74952, 75299, 75330, 77728, 78120, 79380, 80352, 82026, 83280, 84321, 85015, 86056, 87444, 87885, 90720, 91140, 93690, 93744, 95256, 96813, 97160, 99936, 100440, 102018, 104160, 105462, 105840, 107570, 109305, 109368, 112428, 116592, 117180, 119070, 120528, 121520, 123039, 124920, 127008, 129084, 131166, 133920, 136024, 136080, 136710, 140535, 140616, 145740, 145824, 149904, 150598, 150660, 153027, 156240, 158760, 161355, 164052, 166560, 168642, 170030, 172112, 174888, 175770, 182280, 187380, 187488, 190512, 193626, 194320, 196749, 200880, 204036, 205065, 210924, 211680, 215140, 218610, 218736, 224856, 225897, 233184, 234360, 238140, 241056, 243040, 246078, 249840, 255045, 258168, 262332, 263655, 272048, 272160, 273420, 281070, 281232, 290439, 291480, 299808, 301196, 301320, 306054, 312480, 317520, 322710, 327915, 328104, 337284, 340060, 344224, 349776, 351540, 364560, 369117, 374760, 376495, 381024, 387252, 388640, 393498, 401760, 408072, 410130, 421605, 421848, 430280, 437220, 437472, 449712, 451794, 459081, 468720, 476280, 484065, 492156, 499680, 510090, 516336, 524664, 527093, 527310, 544096, 546840, 562140, 562464, 580878, 582960, 590247, 602392, 602640, 612108, 615195, 635040, 645420, 655830, 656208, 674568, 677691, 680120, 699552, 703080, 729120, 738234, 749520, 752990, 765135, 774504, 786996, 816144, 820260, 843210, 843696, 860560, 871317, 874440, 899424, 903588, 918162, 937440, 952560, 968130, 983745, 984312, 1020180, 1032672, 1049328, 1054186, 1054620, 1093680, 1124280, 1129485, 1161756, 1165920, 1180494, 1204784, 1205280, 1224216, 1230390, 1290840, 1311660, 1312416, 1349136, 1355382, 1360240, 1377243, 1406160, 1452195, 1476468, 1499040, 1505980, 1530270, 1549008, 1573992, 1581279, 1632288, 1640520, 1686420, 1687392, 1721120, 1742634, 1748880, 1807176, 1836324, 1845585, 1905120, 1936260, 1967490, 1968624, 2033073, 2040360, 2098656, 2108372, 2109240, 2187360, 2248560, 2258970, 2295405, 2323512, 2360988, 2409568, 2448432, 2460780, 2581680, 2613951, 2623320, 2635465, 2698272, 2710764, 2720480, 2754486, 2812320, 2904390, 2951235, 2952936, 3011960, 3060540, 3098016, 3147984, 3162558, 3281040, 3372840, 3388455, 3485268, 3497760, 3614352, 3672648, 3691170, 3872520, 3934980, 3937248, 4066146, 4080720, 4131729, 4216744, 4218480, 4356585, 4497120, 4517940, 4590810, 4647024, 4721976, 4743837, 4896864, 4921560, 5163360, 5227902, 5246640, 5270930, 5421528, 5508972, 5808780, 5902470, 5905872, 6023920, 6099219, 6121080, 6295968, 6325116, 6562080, 6745680, 6776910, 6886215, 6970536, 7228704, 7345296, 7382340, 7745040, 7869960, 7906395, 8132292, 8161440, 8263458, 8433488, 8436960, 8713170, 9035880, 9181620, 9294048, 9443952, 9487674, 9843120, 10165365, 10455804, 10493280, 10541860, 10843056, 11017944, 11617560, 11804940, 11811744, 12047840, 12198438, 12242160, 12650232, 13069755, 13491360, 13553820, 13772430, 13941072, 14231511, 14690592, 14764680, 15490080, 15739920, 15812790, 16264584, 16526916, 16866976, 17426340, 18071760, 18297657, 18363240, 18887904, 18975348, 19686240, 20330730, 20658645, 20911608, 21083720, 21686112, 22035888, 23235120, 23609880, 23719185, 24396876, 24484320, 25300464, 26139510, 27107640, 27544860, 27882144, 28463022, 29529360, 30496095, 31479840, 31625580, 32529168, 33053832, 34852680, 36143520, 36595314, 36726480, 37950696, 40661460, 41317290, 41823216, 42167440, 42694533, 44071776, 46470240, 47219760, 47438370, 48793752, 50600928, 52279020, 54215280, 55089720, 56926044, 59058720, 60992190, 63251160, 65058336, 66107664, 69705360, 71157555, 73190628, 73452960, 75901392, 81322920, 82634580, 83646432, 84334880, 85389066, 91488285, 94439520, 94876740, 97587504, 104558040, 108430560, 110179440, 113852088, 121984380, 126502320, 128083599, 132215328, 139410720, 142315110, 146381256, 151802784, 162645840, 165269160, 170778132, 182976570, 189753480, 195175008, 209116080, 213472665, 220358880, 227704176, 243968760, 253004640, 256167198, 284630220, 292762512, 325291680, 330538320, 341556264, 365953140, 379506960, 418232160, 426945330, 455408352, 487937520, 512334396, 569260440, 585525024, 640417995, 661076640, 683112528, 731906280, 759013920, 853890660, 975875040, 1024668792, 1138520880, 1280835990, 1366225056, 1463812560, 1707781320, 2049337584, 2277041760, 2561671980, 2927625120, 3415562640, 4098675168, 5123343960, 6831125280, 10246687920, 20493375840]

約数ペア:

[(1, 20493375840), (2, 10246687920), (3, 6831125280), (4, 5123343960), (5, 4098675168), (6, 3415562640), (7, 2927625120), (8, 2561671980), (9, 2277041760), (10, 2049337584), (12, 1707781320), (14, 1463812560), (15, 1366225056), (16, 1280835990), (18, 1138520880), (20, 1024668792), (21, 975875040), (24, 853890660), (27, 759013920), (28, 731906280), (30, 683112528), (31, 661076640), (32, 640417995), (35, 585525024), (36, 569260440), (40, 512334396), (42, 487937520), (45, 455408352), (48, 426945330), (49, 418232160), (54, 379506960), (56, 365953140), (60, 341556264), (62, 330538320), (63, 325291680), (70, 292762512), (72, 284630220), (80, 256167198), (81, 253004640), (84, 243968760), (90, 227704176), (93, 220358880), (96, 213472665), (98, 209116080), (105, 195175008), (108, 189753480), (112, 182976570), (120, 170778132), (124, 165269160), (126, 162645840), (135, 151802784), (140, 146381256), (144, 142315110), (147, 139410720), (155, 132215328), (160, 128083599), (162, 126502320), (168, 121984380), (180, 113852088), (186, 110179440), (189, 108430560), (196, 104558040), (210, 97587504), (216, 94876740), (217, 94439520), (224, 91488285), (240, 85389066), (243, 84334880), (245, 83646432), (248, 82634580), (252, 81322920), (270, 75901392), (279, 73452960), (280, 73190628), (288, 71157555), (294, 69705360), (310, 66107664), (315, 65058336), (324, 63251160), (336, 60992190), (347, 59058720), (360, 56926044), (372, 55089720), (378, 54215280), (392, 52279020), (405, 50600928), (420, 48793752), (432, 47438370), (434, 47219760), (441, 46470240), (465, 44071776), (480, 42694533), (486, 42167440), (490, 41823216), (496, 41317290), (504, 40661460), (540, 37950696), (558, 36726480), (560, 36595314), (567, 36143520), (588, 34852680), (620, 33053832), (630, 32529168), (648, 31625580), (651, 31479840), (672, 30496095), (694, 29529360), (720, 28463022), (735, 27882144), (744, 27544860), (756, 27107640), (784, 26139510), (810, 25300464), (837, 24484320), (840, 24396876), (864, 23719185), (868, 23609880), (882, 23235120), (930, 22035888), (945, 21686112), (972, 21083720), (980, 20911608), (992, 20658645), (1008, 20330730), (1041, 19686240), (1080, 18975348), (1085, 18887904), (1116, 18363240), (1120, 18297657), (1134, 18071760), (1176, 17426340), (1215, 16866976), (1240, 16526916), (1260, 16264584), (1296, 15812790), (1302, 15739920), (1323, 15490080), (1388, 14764680), (1395, 14690592), (1440, 14231511), (1470, 13941072), (1488, 13772430), (1512, 13553820), (1519, 13491360), (1568, 13069755), (1620, 12650232), (1674, 12242160), (1680, 12198438), (1701, 12047840), (1735, 11811744), (1736, 11804940), (1764, 11617560), (1860, 11017944), (1890, 10843056), (1944, 10541860), (1953, 10493280), (1960, 10455804), (2016, 10165365), (2082, 9843120), (2160, 9487674), (2170, 9443952), (2205, 9294048), (2232, 9181620), (2268, 9035880), (2352, 8713170), (2429, 8436960), (2430, 8433488), (2480, 8263458), (2511, 8161440), (2520, 8132292), (2592, 7906395), (2604, 7869960), (2646, 7745040), (2776, 7382340), (2790, 7345296), (2835, 7228704), (2940, 6970536), (2976, 6886215), (3024, 6776910), (3038, 6745680), (3123, 6562080), (3240, 6325116), (3255, 6295968), (3348, 6121080), (3360, 6099219), (3402, 6023920), (3470, 5905872), (3472, 5902470), (3528, 5808780), (3720, 5508972), (3780, 5421528), (3888, 5270930), (3906, 5246640), (3920, 5227902), (3969, 5163360), (4164, 4921560), (4185, 4896864), (4320, 4743837), (4340, 4721976), (4410, 4647024), (4464, 4590810), (4536, 4517940), (4557, 4497120), (4704, 4356585), (4858, 4218480), (4860, 4216744), (4960, 4131729), (5022, 4080720), (5040, 4066146), (5205, 3937248), (5208, 3934980), (5292, 3872520), (5552, 3691170), (5580, 3672648), (5670, 3614352), (5859, 3497760), (5880, 3485268), (6048, 3388455), (6076, 3372840), (6246, 3281040), (6480, 3162558), (6510, 3147984), (6615, 3098016), (6696, 3060540), (6804, 3011960), (6940, 2952936), (6944, 2951235), (7056, 2904390), (7287, 2812320), (7440, 2754486), (7533, 2720480), (7560, 2710764), (7595, 2698272), (7776, 2635465), (7812, 2623320), (7840, 2613951), (7938, 2581680), (8328, 2460780), (8370, 2448432), (8505, 2409568), (8680, 2360988), (8820, 2323512), (8928, 2295405), (9072, 2258970), (9114, 2248560), (9369, 2187360), (9716, 2109240), (9720, 2108372), (9765, 2098656), (10044, 2040360), (10080, 2033073), (10410, 1968624), (10416, 1967490), (10584, 1936260), (10757, 1905120), (11104, 1845585), (11160, 1836324), (11340, 1807176), (11718, 1748880), (11760, 1742634), (11907, 1721120), (12145, 1687392), (12152, 1686420), (12492, 1640520), (12555, 1632288), (12960, 1581279), (13020, 1573992), (13230, 1549008), (13392, 1530270), (13608, 1505980), (13671, 1499040), (13880, 1476468), (14112, 1452195), (14574, 1406160), (14880, 1377243), (15066, 1360240), (15120, 1355382), (15190, 1349136), (15615, 1312416), (15624, 1311660), (15876, 1290840), (16656, 1230390), (16740, 1224216), (17003, 1205280), (17010, 1204784), (17360, 1180494), (17577, 1165920), (17640, 1161756), (18144, 1129485), (18228, 1124280), (18738, 1093680), (19432, 1054620), (19440, 1054186), (19530, 1049328), (19845, 1032672), (20088, 1020180), (20820, 984312), (20832, 983745), (21168, 968130), (21514, 952560), (21861, 937440), (22320, 918162), (22680, 903588), (22785, 899424), (23436, 874440), (23520, 871317), (23814, 860560), (24290, 843696), (24304, 843210), (24984, 820260), (25110, 816144), (26040, 786996), (26460, 774504), (26784, 765135), (27216, 752990), (27342, 749520), (27760, 738234), (28107, 729120), (29148, 703080), (29295, 699552), (30132, 680120), (30240, 677691), (30380, 674568), (31230, 656208), (31248, 655830), (31752, 645420), (32271, 635040), (33312, 615195), (33480, 612108), (34006, 602640), (34020, 602392), (34720, 590247), (35154, 582960), (35280, 580878), (36435, 562464), (36456, 562140), (37476, 546840), (37665, 544096), (38864, 527310), (38880, 527093), (39060, 524664), (39690, 516336), (40176, 510090), (41013, 499680), (41640, 492156), (42336, 484065), (43028, 476280), (43722, 468720), (44640, 459081), (45360, 451794), (45570, 449712), (46845, 437472), (46872, 437220), (47628, 430280), (48580, 421848), (48608, 421605), (49968, 410130), (50220, 408072), (51009, 401760), (52080, 393498), (52731, 388640), (52920, 387252), (53785, 381024), (54432, 376495), (54684, 374760), (55520, 369117), (56214, 364560), (58296, 351540), (58590, 349776), (59535, 344224), (60264, 340060), (60760, 337284), (62460, 328104), (62496, 327915), (63504, 322710), (64542, 317520), (65583, 312480), (66960, 306054), (68012, 301320), (68040, 301196), (68355, 299808), (70308, 291480), (70560, 290439), (72870, 281232), (72912, 281070), (74952, 273420), (75299, 272160), (75330, 272048), (77728, 263655), (78120, 262332), (79380, 258168), (80352, 255045), (82026, 249840), (83280, 246078), (84321, 243040), (85015, 241056), (86056, 238140), (87444, 234360), (87885, 233184), (90720, 225897), (91140, 224856), (93690, 218736), (93744, 218610), (95256, 215140), (96813, 211680), (97160, 210924), (99936, 205065), (100440, 204036), (102018, 200880), (104160, 196749), (105462, 194320), (105840, 193626), (107570, 190512), (109305, 187488), (109368, 187380), (112428, 182280), (116592, 175770), (117180, 174888), (119070, 172112), (120528, 170030), (121520, 168642), (123039, 166560), (124920, 164052), (127008, 161355), (129084, 158760), (131166, 156240), (133920, 153027), (136024, 150660), (136080, 150598), (136710, 149904), (140535, 145824), (140616, 145740)]