20246568720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 960

約数和(自身を含む): 82509004800

約数和(自身を除く): 62262436080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 37, 38, 40, 42, 48, 49, 56, 57, 60, 62, 70, 74, 76, 79, 80, 84, 93, 95, 98, 105, 111, 112, 114, 120, 124, 133, 140, 147, 148, 152, 155, 158, 168, 185, 186, 190, 196, 210, 217, 222, 228, 237, 240, 245, 248, 259, 266, 280, 285, 294, 296, 304, 310, 316, 336, 370, 372, 380, 392, 395, 399, 420, 434, 444, 456, 465, 474, 490, 496, 518, 532, 553, 555, 560, 570, 588, 589, 592, 620, 632, 651, 665, 703, 735, 740, 744, 760, 777, 784, 790, 798, 840, 868, 888, 912, 930, 931, 948, 980, 1036, 1064, 1085, 1106, 1110, 1140, 1147, 1176, 1178, 1185, 1240, 1264, 1295, 1302, 1330, 1406, 1470, 1480, 1488, 1501, 1519, 1520, 1554, 1580, 1596, 1659, 1680, 1736, 1767, 1776, 1813, 1860, 1862, 1896, 1960, 1995, 2072, 2109, 2128, 2170, 2212, 2220, 2280, 2294, 2352, 2356, 2370, 2449, 2480, 2590, 2604, 2660, 2765, 2793, 2812, 2923, 2940, 2945, 2960, 3002, 3038, 3108, 3160, 3192, 3255, 3318, 3441, 3472, 3515, 3534, 3626, 3720, 3724, 3792, 3871, 3885, 3920, 3990, 4123, 4144, 4218, 4340, 4424, 4440, 4503, 4557, 4560, 4588, 4655, 4712, 4740, 4898, 4921, 5180, 5208, 5320, 5439, 5530, 5586, 5624, 5735, 5846, 5880, 5890, 6004, 6076, 6216, 6320, 6384, 6510, 6636, 6882, 7030, 7068, 7252, 7347, 7440, 7448, 7505, 7595, 7742, 7770, 7980, 8029, 8246, 8295, 8436, 8680, 8769, 8835, 8848, 8880, 9006, 9065, 9114, 9176, 9310, 9424, 9480, 9796, 9842, 10360, 10416, 10507, 10545, 10640, 10878, 11060, 11172, 11248, 11470, 11613, 11692, 11760, 11780, 12008, 12152, 12245, 12369, 12432, 13020, 13272, 13764, 13965, 14060, 14136, 14504, 14615, 14694, 14763, 14896, 15010, 15190, 15484, 15540, 15960, 16058, 16492, 16590, 16872, 17143, 17205, 17360, 17538, 17670, 18012, 18130, 18228, 18352, 18620, 18960, 19355, 19592, 19684, 20461, 20615, 20720, 21014, 21090, 21756, 21793, 22120, 22344, 22515, 22785, 22940, 23226, 23384, 23560, 24016, 24087, 24304, 24490, 24605, 24738, 26040, 26544, 27195, 27528, 27930, 28120, 28272, 28861, 29008, 29230, 29388, 29526, 30020, 30380, 30968, 31080, 31521, 31920, 32116, 32984, 33180, 33744, 34286, 34410, 34447, 35076, 35340, 36024, 36260, 36456, 36735, 37240, 38710, 39184, 39368, 40145, 40922, 41230, 42028, 42180, 43512, 43586, 43845, 44240, 44688, 45030, 45570, 45880, 46452, 46531, 46768, 47120, 48174, 48980, 49210, 49476, 51429, 52080, 52535, 54390, 55056, 55537, 55860, 56203, 56240, 57722, 58065, 58460, 58776, 59052, 60040, 60760, 61383, 61845, 61936, 62160, 63042, 64232, 65379, 65968, 66360, 68572, 68820, 68894, 70152, 70680, 72048, 72520, 72912, 73470, 73549, 73815, 74480, 77420, 78736, 80290, 81844, 82460, 84056, 84360, 85715, 86583, 87024, 87172, 87690, 90060, 90613, 91140, 91760, 92904, 93062, 96348, 97960, 98420, 98952, 102305, 102858, 103341, 105070, 108780, 108965, 111074, 111720, 112406, 115444, 116130, 116920, 117552, 118104, 120001, 120080, 120435, 121520, 122766, 123690, 126084, 128464, 130758, 132720, 137144, 137640, 137788, 139593, 140304, 141360, 143227, 144305, 145040, 146940, 147098, 147630, 152551, 154840, 157605, 160580, 163688, 164920, 166611, 168112, 168609, 168720, 171430, 172235, 173166, 174344, 175380, 180120, 181226, 182280, 185808, 186124, 192696, 195920, 196840, 197904, 204610, 205716, 206682, 210140, 217560, 217930, 220647, 222148, 223440, 224812, 230888, 232260, 232655, 233840, 236208, 240002, 240870, 245532, 247380, 252168, 257145, 261516, 271839, 274288, 275280, 275576, 277685, 279186, 281015, 286454, 288610, 293880, 294196, 295260, 305102, 306915, 309680, 315210, 321160, 325717, 326895, 327376, 329840, 333222, 337218, 342860, 344470, 346332, 348688, 350760, 360003, 360240, 362452, 364560, 367745, 372248, 385392, 388759, 393680, 409220, 411432, 413364, 420280, 429681, 432915, 435120, 435860, 441294, 444296, 449624, 453065, 457653, 461776, 464520, 465310, 480004, 481740, 491064, 494760, 504336, 514290, 516705, 523032, 543678, 551152, 555370, 558372, 562030, 572908, 577220, 587760, 588392, 590520, 600005, 610204, 613830, 630420, 634291, 642320, 651434, 653790, 666444, 674436, 685720, 688940, 692664, 697965, 701520, 716135, 720006, 724904, 735490, 744496, 762755, 777518, 818440, 822864, 826728, 833055, 840560, 843045, 859362, 865830, 871720, 882588, 888592, 899248, 906130, 915306, 929040, 930620, 960008, 963480, 977151, 982128, 989520, 1028580, 1033410, 1046064, 1067857, 1087356, 1103235, 1110740, 1116744, 1124060, 1145816, 1154440, 1166277, 1176784, 1181040, 1200010, 1220408, 1227660, 1260840, 1268582, 1302868, 1307580, 1332888, 1348872, 1359195, 1371440, 1377880, 1385328, 1395930, 1432270, 1440012, 1449808, 1470980, 1525510, 1555036, 1628585, 1636880, 1653456, 1666110, 1686090, 1718724, 1721647, 1731660, 1743440, 1765176, 1800015, 1812260, 1830612, 1861240, 1902873, 1920016, 1926960, 1943795, 1954302, 2057160, 2066820, 2135714, 2148405, 2174712, 2206470, 2221480, 2233488, 2248120, 2280019, 2288265, 2291632, 2308880, 2332554, 2400020, 2440816, 2455320, 2521680, 2537164, 2605736, 2615160, 2665776, 2697744, 2718390, 2721313, 2755760, 2791860, 2864540, 2880024, 2941960, 3051020, 3110072, 3171455, 3203571, 3257170, 3332220, 3372180, 3437448, 3443294, 3463320, 3530352, 3600030, 3624520, 3661224, 3722480, 3805746, 3887590, 3908604, 4114320, 4133640, 4271428, 4296810, 4349424, 4412940, 4440037, 4442960, 4496240, 4560038, 4576530, 4665108, 4800040, 4885755, 4910640, 5074328, 5164941, 5211472, 5230320, 5339285, 5436780, 5442626, 5583720, 5729080, 5760048, 5831385, 5883920, 6102040, 6220144, 6342910, 6407142, 6514340, 6664440, 6744360, 6840057, 6874896, 6886588, 6926640, 7200060, 7249040, 7322448, 7611492, 7775180, 7817208, 8163939, 8267280, 8542856, 8593620, 8608235, 8825880, 8880074, 9120076, 9153060, 9330216, 9514365, 9600080, 9771510, 10148656, 10329882, 10678570, 10873560, 10885252, 11167440, 11400095, 11458160, 11662770, 12051529, 12204080, 12685820, 12814284, 13028680, 13320111, 13328880, 13488720, 13606565, 13680114, 13773176, 14400120, 15222984, 15550360, 15634416, 16017855, 16327878, 17085712, 17187240, 17216470, 17651760, 17760148, 18240152, 18306120, 18660432, 19028730, 19543020, 20659764, 21357140, 21747120, 21770504, 22200185, 22800190, 23325540, 24103058, 25371640, 25628568, 25824705, 26057360, 26640222, 27213130, 27360228, 27546352, 28800240, 30445968, 31100720, 32035710, 32655756, 34200285, 34374480, 34432940, 35520296, 36154587, 36480304, 36612240, 38057460, 39086040, 40819695, 41319528, 42714280, 43541008, 44400370, 45600380, 46651080, 48206116, 50743280, 51257136, 51649410, 53280444, 54426260, 54720456, 60257645, 64071420, 65311512, 66600555, 68400570, 68865880, 71040592, 72309174, 76114920, 78172080, 81639390, 82639056, 84360703, 85428560, 88800740, 91200760, 93302160, 96412232, 103298820, 106560888, 108852520, 109440912, 120515290, 128142840, 130623024, 133201110, 136801140, 137731760, 144618348, 152229840, 163278780, 168721406, 177601480, 180772935, 182401520, 192824464, 206597640, 213121776, 217705040, 241030580, 253082109, 256285680, 266402220, 273602280, 289236696, 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約数ペア:

[(1, 20246568720), (2, 10123284360), (3, 6748856240), (4, 5061642180), (5, 4049313744), (6, 3374428120), (7, 2892366960), (8, 2530821090), (10, 2024656872), (12, 1687214060), (14, 1446183480), (15, 1349771248), (16, 1265410545), (19, 1065608880), (20, 1012328436), (21, 964122320), (24, 843607030), (28, 723091740), (30, 674885624), (31, 653115120), (35, 578473392), (37, 547204560), (38, 532804440), (40, 506164218), (42, 482061160), (48, 421803515), (49, 413195280), (56, 361545870), (57, 355202960), (60, 337442812), (62, 326557560), (70, 289236696), (74, 273602280), (76, 266402220), (79, 256285680), (80, 253082109), (84, 241030580), (93, 217705040), (95, 213121776), (98, 206597640), (105, 192824464), (111, 182401520), (112, 180772935), (114, 177601480), (120, 168721406), (124, 163278780), (133, 152229840), (140, 144618348), (147, 137731760), (148, 136801140), (152, 133201110), (155, 130623024), (158, 128142840), (168, 120515290), (185, 109440912), (186, 108852520), (190, 106560888), (196, 103298820), (210, 96412232), (217, 93302160), (222, 91200760), (228, 88800740), (237, 85428560), (240, 84360703), (245, 82639056), (248, 81639390), (259, 78172080), (266, 76114920), (280, 72309174), (285, 71040592), (294, 68865880), (296, 68400570), (304, 66600555), (310, 65311512), (316, 64071420), (336, 60257645), (370, 54720456), (372, 54426260), (380, 53280444), (392, 51649410), (395, 51257136), (399, 50743280), (420, 48206116), (434, 46651080), (444, 45600380), (456, 44400370), (465, 43541008), (474, 42714280), (490, 41319528), (496, 40819695), (518, 39086040), (532, 38057460), (553, 36612240), (555, 36480304), (560, 36154587), (570, 35520296), (588, 34432940), (589, 34374480), (592, 34200285), (620, 32655756), (632, 32035710), (651, 31100720), (665, 30445968), (703, 28800240), (735, 27546352), (740, 27360228), (744, 27213130), (760, 26640222), (777, 26057360), (784, 25824705), (790, 25628568), (798, 25371640), (840, 24103058), (868, 23325540), (888, 22800190), (912, 22200185), (930, 21770504), (931, 21747120), (948, 21357140), (980, 20659764), (1036, 19543020), (1064, 19028730), (1085, 18660432), (1106, 18306120), (1110, 18240152), (1140, 17760148), (1147, 17651760), (1176, 17216470), (1178, 17187240), (1185, 17085712), (1240, 16327878), (1264, 16017855), (1295, 15634416), (1302, 15550360), (1330, 15222984), (1406, 14400120), (1470, 13773176), (1480, 13680114), (1488, 13606565), (1501, 13488720), (1519, 13328880), (1520, 13320111), (1554, 13028680), (1580, 12814284), (1596, 12685820), (1659, 12204080), (1680, 12051529), (1736, 11662770), (1767, 11458160), (1776, 11400095), (1813, 11167440), (1860, 10885252), (1862, 10873560), (1896, 10678570), (1960, 10329882), (1995, 10148656), (2072, 9771510), (2109, 9600080), (2128, 9514365), (2170, 9330216), (2212, 9153060), (2220, 9120076), (2280, 8880074), (2294, 8825880), (2352, 8608235), (2356, 8593620), (2370, 8542856), (2449, 8267280), (2480, 8163939), (2590, 7817208), (2604, 7775180), (2660, 7611492), (2765, 7322448), (2793, 7249040), (2812, 7200060), (2923, 6926640), (2940, 6886588), (2945, 6874896), (2960, 6840057), (3002, 6744360), (3038, 6664440), (3108, 6514340), (3160, 6407142), (3192, 6342910), (3255, 6220144), (3318, 6102040), (3441, 5883920), (3472, 5831385), (3515, 5760048), (3534, 5729080), (3626, 5583720), (3720, 5442626), (3724, 5436780), (3792, 5339285), (3871, 5230320), (3885, 5211472), (3920, 5164941), (3990, 5074328), (4123, 4910640), (4144, 4885755), (4218, 4800040), (4340, 4665108), (4424, 4576530), (4440, 4560038), (4503, 4496240), (4557, 4442960), (4560, 4440037), (4588, 4412940), (4655, 4349424), (4712, 4296810), (4740, 4271428), (4898, 4133640), (4921, 4114320), (5180, 3908604), (5208, 3887590), (5320, 3805746), (5439, 3722480), (5530, 3661224), (5586, 3624520), (5624, 3600030), (5735, 3530352), (5846, 3463320), (5880, 3443294), (5890, 3437448), (6004, 3372180), (6076, 3332220), (6216, 3257170), (6320, 3203571), (6384, 3171455), (6510, 3110072), (6636, 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1385328), (14694, 1377880), (14763, 1371440), (14896, 1359195), (15010, 1348872), (15190, 1332888), (15484, 1307580), (15540, 1302868), (15960, 1268582), (16058, 1260840), (16492, 1227660), (16590, 1220408), (16872, 1200010), (17143, 1181040), (17205, 1176784), (17360, 1166277), (17538, 1154440), (17670, 1145816), (18012, 1124060), (18130, 1116744), (18228, 1110740), (18352, 1103235), (18620, 1087356), (18960, 1067857), (19355, 1046064), (19592, 1033410), (19684, 1028580), (20461, 989520), (20615, 982128), (20720, 977151), (21014, 963480), (21090, 960008), (21756, 930620), (21793, 929040), (22120, 915306), (22344, 906130), (22515, 899248), (22785, 888592), (22940, 882588), (23226, 871720), (23384, 865830), (23560, 859362), (24016, 843045), (24087, 840560), (24304, 833055), (24490, 826728), (24605, 822864), (24738, 818440), (26040, 777518), (26544, 762755), (27195, 744496), (27528, 735490), (27930, 724904), (28120, 720006), (28272, 716135), (28861, 701520), (29008, 697965), (29230, 692664), (29388, 688940), (29526, 685720), (30020, 674436), (30380, 666444), (30968, 653790), (31080, 651434), (31521, 642320), (31920, 634291), (32116, 630420), (32984, 613830), (33180, 610204), (33744, 600005), (34286, 590520), (34410, 588392), (34447, 587760), (35076, 577220), (35340, 572908), (36024, 562030), (36260, 558372), (36456, 555370), (36735, 551152), (37240, 543678), (38710, 523032), (39184, 516705), (39368, 514290), (40145, 504336), (40922, 494760), (41230, 491064), (42028, 481740), (42180, 480004), (43512, 465310), (43586, 464520), (43845, 461776), (44240, 457653), (44688, 453065), (45030, 449624), (45570, 444296), (45880, 441294), (46452, 435860), (46531, 435120), (46768, 432915), (47120, 429681), (48174, 420280), (48980, 413364), (49210, 411432), (49476, 409220), (51429, 393680), (52080, 388759), (52535, 385392), (54390, 372248), (55056, 367745), (55537, 364560), (55860, 362452), (56203, 360240), (56240, 360003), (57722, 350760), (58065, 348688), (58460, 346332), (58776, 344470), (59052, 342860), (60040, 337218), (60760, 333222), (61383, 329840), (61845, 327376), (61936, 326895), (62160, 325717), (63042, 321160), (64232, 315210), (65379, 309680), (65968, 306915), (66360, 305102), (68572, 295260), (68820, 294196), (68894, 293880), (70152, 288610), (70680, 286454), (72048, 281015), (72520, 279186), (72912, 277685), (73470, 275576), (73549, 275280), (73815, 274288), (74480, 271839), (77420, 261516), (78736, 257145), (80290, 252168), (81844, 247380), (82460, 245532), (84056, 240870), (84360, 240002), (85715, 236208), (86583, 233840), (87024, 232655), (87172, 232260), (87690, 230888), (90060, 224812), (90613, 223440), (91140, 222148), (91760, 220647), (92904, 217930), (93062, 217560), (96348, 210140), (97960, 206682), (98420, 205716), (98952, 204610), (102305, 197904), (102858, 196840), (103341, 195920), (105070, 192696), (108780, 186124), (108965, 185808), (111074, 182280), (111720, 181226), (112406, 180120), (115444, 175380), (116130, 174344), (116920, 173166), (117552, 172235), (118104, 171430), (120001, 168720), (120080, 168609), (120435, 168112), (121520, 166611), (122766, 164920), (123690, 163688), (126084, 160580), (128464, 157605), (130758, 154840), (132720, 152551), (137144, 147630), (137640, 147098), (137788, 146940), (139593, 145040), (140304, 144305), (141360, 143227)]