20555179920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:177

約数の個数: 960

約数和(自身を含む): 83594649600

約数和(自身を除く): 63039469680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 31, 33, 36, 40, 43, 44, 45, 48, 54, 55, 59, 60, 62, 66, 72, 80, 86, 88, 90, 93, 99, 108, 110, 118, 120, 121, 124, 129, 132, 135, 144, 155, 165, 172, 176, 177, 180, 186, 198, 215, 216, 220, 236, 240, 242, 248, 258, 264, 270, 279, 295, 297, 310, 330, 341, 344, 354, 360, 363, 372, 387, 396, 430, 432, 440, 465, 472, 473, 484, 495, 496, 516, 528, 531, 540, 558, 590, 594, 605, 620, 645, 649, 660, 682, 688, 708, 720, 726, 744, 774, 792, 837, 860, 880, 885, 930, 944, 946, 968, 990, 1023, 1032, 1062, 1080, 1089, 1116, 1161, 1180, 1188, 1210, 1240, 1290, 1298, 1320, 1333, 1364, 1395, 1416, 1419, 1452, 1485, 1488, 1548, 1584, 1593, 1674, 1705, 1720, 1770, 1815, 1829, 1860, 1892, 1935, 1936, 1947, 1980, 2046, 2064, 2124, 2160, 2178, 2232, 2322, 2360, 2365, 2376, 2420, 2480, 2537, 2580, 2596, 2640, 2655, 2666, 2728, 2790, 2832, 2838, 2904, 2970, 3069, 3096, 3186, 3245, 3267, 3348, 3410, 3440, 3540, 3630, 3658, 3720, 3751, 3784, 3870, 3894, 3960, 3999, 4092, 4185, 4248, 4257, 4356, 4464, 4644, 4720, 4730, 4752, 4840, 5074, 5115, 5160, 5192, 5203, 5310, 5332, 5445, 5456, 5487, 5580, 5676, 5805, 5808, 5841, 5940, 6138, 6192, 6372, 6490, 6534, 6665, 6696, 6820, 7080, 7095, 7139, 7260, 7316, 7440, 7502, 7568, 7611, 7740, 7788, 7920, 7965, 7998, 8184, 8370, 8496, 8514, 8712, 9145, 9207, 9288, 9460, 9680, 9735, 10148, 10230, 10320, 10384, 10406, 10620, 10664, 10890, 10974, 11160, 11253, 11352, 11610, 11682, 11880, 11997, 12276, 12685, 12744, 12771, 12980, 13068, 13330, 13392, 13640, 14160, 14190, 14278, 14520, 14632, 14663, 15004, 15222, 15345, 15480, 15576, 15609, 15930, 15996, 16335, 16368, 16461, 16740, 17028, 17424, 17523, 18290, 18414, 18576, 18755, 18920, 19470, 19995, 20119, 20296, 20460, 20812, 21240, 21285, 21328, 21417, 21780, 21948, 22320, 22506, 22704, 22833, 23220, 23364, 23760, 23994, 24552, 25370, 25488, 25542, 25960, 26015, 26136, 26660, 27280, 27435, 27907, 28380, 28556, 29040, 29205, 29264, 29326, 30008, 30444, 30690, 30960, 31152, 31218, 31860, 31992, 32670, 32922, 33480, 33759, 34056, 35046, 35695, 35991, 36580, 36828, 37510, 37840, 38055, 38940, 39990, 40238, 40592, 40920, 41624, 42480, 42570, 42834, 43560, 43896, 43989, 45012, 45666, 46035, 46440, 46728, 46827, 47988, 49104, 49383, 50740, 51084, 51920, 52030, 52272, 53320, 54870, 55814, 56265, 56760, 57112, 58410, 58652, 59985, 60016, 60357, 60888, 61380, 62436, 63720, 63855, 63984, 64251, 65340, 65844, 66960, 67518, 68112, 68499, 70092, 71390, 71982, 73160, 73315, 73656, 75020, 76110, 77880, 78045, 78647, 79980, 80476, 81840, 82305, 83248, 83721, 85140, 85668, 87120, 87615, 87792, 87978, 90024, 91332, 92070, 92880, 93456, 93654, 95976, 98766, 100595, 101277, 101480, 102168, 104060, 106640, 107085, 109740, 111628, 112530, 113520, 114165, 114224, 116820, 117304, 119970, 120714, 121776, 122760, 124872, 127440, 127710, 128502, 130680, 131688, 131967, 135036, 136998, 139535, 140184, 140481, 142780, 143964, 146320, 146630, 147312, 150040, 152220, 155760, 156090, 157294, 159960, 160952, 161293, 164610, 167442, 168795, 170280, 171336, 175230, 175956, 179955, 180048, 181071, 182664, 184140, 187308, 191952, 192753, 197532, 201190, 202554, 202960, 204336, 208120, 214170, 219480, 219945, 221309, 223256, 225060, 228330, 233640, 234135, 234608, 235941, 239940, 241428, 245520, 246915, 249744, 251163, 255420, 257004, 261360, 263376, 263934, 270072, 273996, 279070, 280368, 280962, 285560, 287928, 293260, 300080, 301785, 304440, 306977, 312180, 314588, 319920, 321255, 321904, 322586, 329220, 334884, 337590, 340560, 342495, 342672, 350460, 351912, 359910, 362142, 365328, 368280, 374616, 385506, 393235, 395064, 395901, 402380, 405108, 416240, 418605, 428340, 438960, 439890, 442618, 446512, 450120, 456660, 467280, 468270, 471882, 479880, 482856, 483879, 493830, 502326, 506385, 510840, 514008, 527868, 540144, 543213, 547992, 558140, 561924, 571120, 575856, 586520, 603570, 608880, 613954, 624360, 629176, 642510, 645172, 658440, 659835, 663927, 669768, 675180, 684990, 700920, 702405, 703824, 707823, 719820, 724284, 736560, 749232, 753489, 771012, 786470, 790128, 791802, 804760, 806465, 810216, 837210, 856680, 865117, 879780, 885236, 900240, 905355, 913320, 920931, 936540, 943764, 959760, 963765, 965712, 967758, 987660, 1004652, 1012770, 1021680, 1028016, 1055736, 1086426, 1095984, 1106545, 1116280, 1123848, 1173040, 1179705, 1207140, 1227908, 1248720, 1255815, 1258352, 1285020, 1290344, 1316880, 1319670, 1327854, 1339536, 1350360, 1369980, 1401840, 1404810, 1415646, 1439640, 1448568, 1451637, 1506978, 1534885, 1542024, 1572940, 1583604, 1609520, 1612930, 1620432, 1674420, 1713360, 1730234, 1759560, 1770472, 1810710, 1826640, 1841862, 1873080, 1887528, 1927530, 1935516, 1975320, 1979505, 1991781, 2009304, 2025540, 2111472, 2123469, 2172852, 2213090, 2232560, 2247696, 2359410, 2414280, 2419395, 2455816, 2511630, 2570040, 2580688, 2595351, 2639340, 2655708, 2700720, 2716065, 2739960, 2762793, 2809620, 2831292, 2879280, 2897136, 2903274, 3013956, 3069770, 3084048, 3145880, 3167208, 3225860, 3319635, 3348840, 3460468, 3519120, 3539115, 3540944, 3621420, 3683724, 3746160, 3767445, 3775056, 3855060, 3871032, 3950640, 3959010, 3983562, 4018608, 4051080, 4246938, 4325585, 4345704, 4354911, 4426180, 4604655, 4718820, 4828560, 4838790, 4911632, 5023260, 5140080, 5190702, 5278680, 5311416, 5432130, 5479920, 5525586, 5619240, 5662584, 5806548, 5975343, 6027912, 6139540, 6291760, 6334416, 6451720, 6639270, 6697680, 6920936, 7078230, 7242840, 7258185, 7367448, 7534890, 7710120, 7742064, 7786053, 7918020, 7967124, 8102160, 8288379, 8493876, 8651170, 8691408, 8709822, 8852360, 9209310, 9437640, 9516287, 9677580, 9958905, 10046520, 10381404, 10557360, 10617345, 10622832, 10864260, 11051172, 11238480, 11325168, 11613096, 11950686, 12055824, 12279080, 12903440, 12976755, 13278540, 13813965, 13841872, 14156460, 14485680, 14516370, 14734896, 15069780, 15420240, 15572106, 15836040, 15934248, 16576758, 16987752, 17302340, 17419644, 17704720, 18418620, 18875280, 19032574, 19355160, 19917810, 20093040, 20762808, 21234690, 21728520, 21774555, 22102344, 23226192, 23358159, 23901372, 24558160, 25953510, 26557080, 27627930, 28312920, 28548861, 29032740, 29876715, 30139560, 31144212, 31672080, 31868496, 33153516, 33975504, 34604680, 34839288, 36837240, 38065148, 38710320, 38930265, 39835620, 41441895, 41525616, 42469380, 43457040, 43549110, 44204688, 46716318, 47581435, 47802744, 51907020, 53114160, 55255860, 56625840, 57097722, 58065480, 59753430, 60279120, 62288424, 66307032, 69209360, 69678576, 73674480, 76130296, 77860530, 79671240, 82883790, 84938760, 85646583, 87098220, 93432636, 95162870, 95605488, 103814040, 110511720, 114195444, 116130960, 116790795, 119506860, 124576848, 132614064, 142744305, 152260592, 155721060, 159342480, 165767580, 169877520, 171293166, 174196440, 186865272, 190325740, 207628080, 221023440, 228390888, 233581590, 239013720, 256939749, 285488610, 311442120, 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約数ペア:

[(1, 20555179920), (2, 10277589960), (3, 6851726640), (4, 5138794980), (5, 4111035984), (6, 3425863320), (8, 2569397490), (9, 2283908880), (10, 2055517992), (11, 1868652720), (12, 1712931660), (15, 1370345328), (16, 1284698745), (18, 1141954440), (20, 1027758996), (22, 934326360), (24, 856465830), (27, 761302960), (30, 685172664), (31, 663070320), (33, 622884240), (36, 570977220), (40, 513879498), (43, 478027440), (44, 467163180), (45, 456781776), (48, 428232915), (54, 380651480), (55, 373730544), (59, 348392880), (60, 342586332), (62, 331535160), (66, 311442120), (72, 285488610), (80, 256939749), (86, 239013720), (88, 233581590), (90, 228390888), (93, 221023440), (99, 207628080), (108, 190325740), (110, 186865272), (118, 174196440), (120, 171293166), (121, 169877520), (124, 165767580), (129, 159342480), (132, 155721060), (135, 152260592), (144, 142744305), (155, 132614064), (165, 124576848), (172, 119506860), (176, 116790795), (177, 116130960), (180, 114195444), (186, 110511720), (198, 103814040), (215, 95605488), (216, 95162870), (220, 93432636), (236, 87098220), (240, 85646583), (242, 84938760), (248, 82883790), (258, 79671240), (264, 77860530), (270, 76130296), (279, 73674480), (295, 69678576), (297, 69209360), (310, 66307032), (330, 62288424), (341, 60279120), (344, 59753430), (354, 58065480), (360, 57097722), (363, 56625840), (372, 55255860), (387, 53114160), (396, 51907020), (430, 47802744), (432, 47581435), (440, 46716318), (465, 44204688), (472, 43549110), (473, 43457040), (484, 42469380), (495, 41525616), (496, 41441895), (516, 39835620), (528, 38930265), (531, 38710320), (540, 38065148), (558, 36837240), (590, 34839288), (594, 34604680), (605, 33975504), (620, 33153516), (645, 31868496), (649, 31672080), (660, 31144212), (682, 30139560), (688, 29876715), (708, 29032740), (720, 28548861), (726, 28312920), (744, 27627930), (774, 26557080), (792, 25953510), (837, 24558160), (860, 23901372), (880, 23358159), (885, 23226192), (930, 22102344), (944, 21774555), (946, 21728520), (968, 21234690), (990, 20762808), (1023, 20093040), (1032, 19917810), (1062, 19355160), (1080, 19032574), (1089, 18875280), (1116, 18418620), (1161, 17704720), (1180, 17419644), (1188, 17302340), (1210, 16987752), (1240, 16576758), (1290, 15934248), (1298, 15836040), (1320, 15572106), (1333, 15420240), (1364, 15069780), (1395, 14734896), (1416, 14516370), (1419, 14485680), (1452, 14156460), (1485, 13841872), (1488, 13813965), (1548, 13278540), (1584, 12976755), (1593, 12903440), (1674, 12279080), (1705, 12055824), (1720, 11950686), (1770, 11613096), (1815, 11325168), (1829, 11238480), (1860, 11051172), (1892, 10864260), (1935, 10622832), (1936, 10617345), (1947, 10557360), (1980, 10381404), (2046, 10046520), (2064, 9958905), (2124, 9677580), (2160, 9516287), (2178, 9437640), (2232, 9209310), (2322, 8852360), (2360, 8709822), (2365, 8691408), (2376, 8651170), (2420, 8493876), (2480, 8288379), (2537, 8102160), (2580, 7967124), (2596, 7918020), (2640, 7786053), (2655, 7742064), (2666, 7710120), (2728, 7534890), (2790, 7367448), (2832, 7258185), (2838, 7242840), (2904, 7078230), (2970, 6920936), (3069, 6697680), (3096, 6639270), (3186, 6451720), (3245, 6334416), (3267, 6291760), (3348, 6139540), (3410, 6027912), (3440, 5975343), (3540, 5806548), (3630, 5662584), (3658, 5619240), (3720, 5525586), (3751, 5479920), (3784, 5432130), (3870, 5311416), (3894, 5278680), (3960, 5190702), (3999, 5140080), (4092, 5023260), (4185, 4911632), (4248, 4838790), (4257, 4828560), (4356, 4718820), (4464, 4604655), (4644, 4426180), (4720, 4354911), (4730, 4345704), (4752, 4325585), (4840, 4246938), (5074, 4051080), (5115, 4018608), (5160, 3983562), (5192, 3959010), (5203, 3950640), (5310, 3871032), (5332, 3855060), (5445, 3775056), (5456, 3767445), (5487, 3746160), (5580, 3683724), (5676, 3621420), (5805, 3540944), (5808, 3539115), (5841, 3519120), (5940, 3460468), (6138, 3348840), (6192, 3319635), (6372, 3225860), (6490, 3167208), (6534, 3145880), (6665, 3084048), (6696, 3069770), (6820, 3013956), (7080, 2903274), (7095, 2897136), (7139, 2879280), (7260, 2831292), (7316, 2809620), (7440, 2762793), (7502, 2739960), (7568, 2716065), (7611, 2700720), (7740, 2655708), (7788, 2639340), (7920, 2595351), (7965, 2580688), (7998, 2570040), (8184, 2511630), (8370, 2455816), (8496, 2419395), (8514, 2414280), (8712, 2359410), (9145, 2247696), (9207, 2232560), (9288, 2213090), (9460, 2172852), (9680, 2123469), (9735, 2111472), (10148, 2025540), (10230, 2009304), (10320, 1991781), (10384, 1979505), (10406, 1975320), (10620, 1935516), (10664, 1927530), (10890, 1887528), (10974, 1873080), (11160, 1841862), (11253, 1826640), (11352, 1810710), (11610, 1770472), (11682, 1759560), (11880, 1730234), (11997, 1713360), (12276, 1674420), (12685, 1620432), (12744, 1612930), (12771, 1609520), (12980, 1583604), (13068, 1572940), (13330, 1542024), (13392, 1534885), (13640, 1506978), (14160, 1451637), (14190, 1448568), (14278, 1439640), (14520, 1415646), (14632, 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702405), (29326, 700920), (30008, 684990), (30444, 675180), (30690, 669768), (30960, 663927), (31152, 659835), (31218, 658440), (31860, 645172), (31992, 642510), (32670, 629176), (32922, 624360), (33480, 613954), (33759, 608880), (34056, 603570), (35046, 586520), (35695, 575856), (35991, 571120), (36580, 561924), (36828, 558140), (37510, 547992), (37840, 543213), (38055, 540144), (38940, 527868), (39990, 514008), (40238, 510840), (40592, 506385), (40920, 502326), (41624, 493830), (42480, 483879), (42570, 482856), (42834, 479880), (43560, 471882), (43896, 468270), (43989, 467280), (45012, 456660), (45666, 450120), (46035, 446512), (46440, 442618), (46728, 439890), (46827, 438960), (47988, 428340), (49104, 418605), (49383, 416240), (50740, 405108), (51084, 402380), (51920, 395901), (52030, 395064), (52272, 393235), (53320, 385506), (54870, 374616), (55814, 368280), (56265, 365328), (56760, 362142), (57112, 359910), (58410, 351912), (58652, 350460), (59985, 342672), (60016, 342495), (60357, 340560), (60888, 337590), (61380, 334884), (62436, 329220), (63720, 322586), (63855, 321904), (63984, 321255), (64251, 319920), (65340, 314588), (65844, 312180), (66960, 306977), (67518, 304440), (68112, 301785), (68499, 300080), (70092, 293260), (71390, 287928), (71982, 285560), (73160, 280962), (73315, 280368), (73656, 279070), (75020, 273996), (76110, 270072), (77880, 263934), (78045, 263376), (78647, 261360), (79980, 257004), (80476, 255420), (81840, 251163), (82305, 249744), (83248, 246915), (83721, 245520), (85140, 241428), (85668, 239940), (87120, 235941), (87615, 234608), (87792, 234135), (87978, 233640), (90024, 228330), (91332, 225060), (92070, 223256), (92880, 221309), (93456, 219945), (93654, 219480), (95976, 214170), (98766, 208120), (100595, 204336), (101277, 202960), (101480, 202554), (102168, 201190), (104060, 197532), (106640, 192753), (107085, 191952), (109740, 187308), (111628, 184140), (112530, 182664), (113520, 181071), (114165, 180048), (114224, 179955), (116820, 175956), (117304, 175230), (119970, 171336), (120714, 170280), (121776, 168795), (122760, 167442), (124872, 164610), (127440, 161293), (127710, 160952), (128502, 159960), (130680, 157294), (131688, 156090), (131967, 155760), (135036, 152220), (136998, 150040), (139535, 147312), (140184, 146630), (140481, 146320), (142780, 143964)]