20660423680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:136

約数の個数: 528

約数和(自身を含む): 61467971040

約数和(自身を除く): 40807547360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 31, 32, 34, 38, 40, 52, 62, 64, 65, 68, 76, 80, 85, 95, 104, 124, 128, 130, 136, 152, 155, 160, 170, 190, 208, 221, 247, 248, 256, 260, 272, 304, 310, 320, 323, 340, 380, 403, 416, 442, 494, 496, 512, 520, 527, 544, 589, 608, 620, 640, 646, 680, 760, 806, 832, 884, 961, 988, 992, 1024, 1040, 1054, 1088, 1105, 1178, 1216, 1235, 1240, 1280, 1292, 1360, 1520, 1612, 1615, 1664, 1768, 1922, 1976, 1984, 2015, 2080, 2108, 2176, 2210, 2356, 2432, 2470, 2480, 2560, 2584, 2635, 2720, 2945, 3040, 3224, 3230, 3328, 3536, 3844, 3952, 3968, 4030, 4160, 4199, 4216, 4352, 4420, 4712, 4805, 4864, 4940, 4960, 5120, 5168, 5270, 5440, 5890, 6080, 6448, 6460, 6656, 6851, 7072, 7657, 7688, 7904, 7936, 8060, 8320, 8398, 8432, 8704, 8840, 9424, 9610, 9728, 9880, 9920, 10013, 10336, 10540, 10880, 11780, 12160, 12493, 12896, 12920, 13312, 13702, 14144, 15314, 15376, 15808, 15872, 16120, 16337, 16640, 16796, 16864, 17408, 17680, 18259, 18848, 19220, 19456, 19760, 19840, 20026, 20672, 20995, 21080, 21760, 23560, 24320, 24986, 25792, 25840, 27404, 28288, 30628, 30752, 31616, 31744, 32240, 32674, 33280, 33592, 33728, 34255, 35360, 36518, 37696, 38285, 38440, 39520, 39680, 40052, 41344, 41990, 42160, 43520, 47120, 48640, 49972, 50065, 51584, 51680, 54808, 56576, 61256, 61504, 62465, 63232, 64480, 65348, 66560, 67184, 67456, 68510, 70720, 73036, 75392, 76570, 76880, 79040, 79360, 80104, 81685, 82688, 83980, 84320, 87040, 91295, 94240, 97280, 99944, 100130, 103168, 103360, 109616, 113152, 122512, 123008, 124930, 126464, 128960, 130169, 130696, 134368, 134912, 137020, 141440, 146072, 150784, 153140, 153760, 158080, 158720, 160208, 163370, 165376, 167960, 168640, 182590, 188480, 199888, 200260, 206336, 206720, 212381, 219232, 226304, 237367, 245024, 246016, 249860, 252928, 257920, 260338, 261392, 268736, 269824, 274040, 282880, 292144, 301568, 306280, 307520, 310403, 316160, 320416, 326740, 330752, 335920, 337280, 365180, 376960, 399776, 400520, 412672, 413440, 424762, 438464, 474734, 490048, 492032, 499720, 515840, 520676, 522784, 537472, 539648, 548080, 565760, 584288, 603136, 612560, 615040, 620806, 632320, 640832, 650845, 653480, 671840, 674560, 730360, 753920, 799552, 801040, 826880, 849524, 876928, 949468, 980096, 984064, 999440, 1031680, 1041352, 1045568, 1061905, 1074944, 1096160, 1131520, 1168576, 1186835, 1225120, 1230080, 1241612, 1264640, 1281664, 1301690, 1306960, 1343680, 1349120, 1460720, 1507840, 1552015, 1599104, 1602080, 1653760, 1699048, 1753856, 1898936, 1960192, 1998880, 2063360, 2082704, 2091136, 2123810, 2149888, 2192320, 2337152, 2373670, 2450240, 2460160, 2483224, 2563328, 2603380, 2613920, 2687360, 2698240, 2921440, 3015680, 3104030, 3198208, 3204160, 3398096, 3507712, 3797872, 3920384, 3997760, 4035239, 4165408, 4182272, 4247620, 4299776, 4384640, 4674304, 4747340, 4900480, 4920320, 4966448, 5126656, 5206760, 5227840, 5374720, 5842880, 6208060, 6396416, 6408320, 6796192, 7015424, 7595744, 7840768, 7995520, 8070478, 8330816, 8364544, 8495240, 8769280, 9348608, 9494680, 9800960, 9932896, 10253312, 10413520, 10455680, 10749440, 11685760, 12416120, 12792832, 12816640, 13592384, 15191488, 15991040, 16140956, 16661632, 16729088, 16990480, 17538560, 18697216, 18989360, 19601920, 19865792, 20176195, 20827040, 20911360, 21498880, 23371520, 24832240, 25633280, 27184768, 30382976, 31982080, 32281912, 33323264, 33980960, 35077120, 37978720, 39203840, 39731584, 40352390, 41654080, 41822720, 46743040, 49664480, 51266560, 54369536, 60765952, 63964160, 64563824, 66646528, 67961920, 75957440, 79463168, 80704780, 83308160, 83645440, 93486080, 99328960, 108739072, 121531904, 129127648, 133293056, 135923840, 151914880, 158926336, 161409560, 166616320, 198657920, 217478144, 243063808, 258255296, 271847680, 303829760, 317852672, 322819120, 333232640, 397315840, 516510592, 543695360, 607659520, 645638240, 666465280, 794631680, 1033021184, 1087390720, 1215319040, 1291276480, 1589263360, 2066042368, 2582552960, 4132084736, 5165105920, 10330211840, 20660423680]

約数ペア:

[(1, 20660423680), (2, 10330211840), (4, 5165105920), (5, 4132084736), (8, 2582552960), (10, 2066042368), (13, 1589263360), (16, 1291276480), (17, 1215319040), (19, 1087390720), (20, 1033021184), (26, 794631680), (31, 666465280), (32, 645638240), (34, 607659520), (38, 543695360), (40, 516510592), (52, 397315840), (62, 333232640), (64, 322819120), (65, 317852672), (68, 303829760), (76, 271847680), (80, 258255296), (85, 243063808), (95, 217478144), (104, 198657920), (124, 166616320), (128, 161409560), (130, 158926336), (136, 151914880), (152, 135923840), (155, 133293056), (160, 129127648), (170, 121531904), (190, 108739072), (208, 99328960), (221, 93486080), (247, 83645440), (248, 83308160), (256, 80704780), (260, 79463168), (272, 75957440), (304, 67961920), (310, 66646528), (320, 64563824), (323, 63964160), (340, 60765952), (380, 54369536), (403, 51266560), (416, 49664480), (442, 46743040), (494, 41822720), (496, 41654080), (512, 40352390), (520, 39731584), (527, 39203840), (544, 37978720), (589, 35077120), (608, 33980960), (620, 33323264), (640, 32281912), (646, 31982080), (680, 30382976), (760, 27184768), (806, 25633280), (832, 24832240), (884, 23371520), (961, 21498880), (988, 20911360), (992, 20827040), (1024, 20176195), (1040, 19865792), (1054, 19601920), (1088, 18989360), (1105, 18697216), (1178, 17538560), (1216, 16990480), (1235, 16729088), (1240, 16661632), (1280, 16140956), (1292, 15991040), (1360, 15191488), (1520, 13592384), (1612, 12816640), (1615, 12792832), (1664, 12416120), (1768, 11685760), (1922, 10749440), (1976, 10455680), (1984, 10413520), (2015, 10253312), (2080, 9932896), (2108, 9800960), (2176, 9494680), (2210, 9348608), (2356, 8769280), (2432, 8495240), (2470, 8364544), (2480, 8330816), (2560, 8070478), (2584, 7995520), (2635, 7840768), (2720, 7595744), (2945, 7015424), (3040, 6796192), (3224, 6408320), (3230, 6396416), (3328, 6208060), (3536, 5842880), (3844, 5374720), (3952, 5227840), (3968, 5206760), (4030, 5126656), (4160, 4966448), (4199, 4920320), (4216, 4900480), (4352, 4747340), (4420, 4674304), (4712, 4384640), (4805, 4299776), (4864, 4247620), (4940, 4182272), (4960, 4165408), (5120, 4035239), (5168, 3997760), (5270, 3920384), (5440, 3797872), (5890, 3507712), (6080, 3398096), (6448, 3204160), (6460, 3198208), (6656, 3104030), (6851, 3015680), (7072, 2921440), (7657, 2698240), (7688, 2687360), (7904, 2613920), (7936, 2603380), (8060, 2563328), (8320, 2483224), (8398, 2460160), (8432, 2450240), (8704, 2373670), (8840, 2337152), (9424, 2192320), (9610, 2149888), (9728, 2123810), (9880, 2091136), (9920, 2082704), (10013, 2063360), (10336, 1998880), (10540, 1960192), (10880, 1898936), (11780, 1753856), (12160, 1699048), (12493, 1653760), (12896, 1602080), (12920, 1599104), (13312, 1552015), (13702, 1507840), (14144, 1460720), (15314, 1349120), (15376, 1343680), (15808, 1306960), (15872, 1301690), (16120, 1281664), (16337, 1264640), (16640, 1241612), (16796, 1230080), (16864, 1225120), (17408, 1186835), (17680, 1168576), (18259, 1131520), (18848, 1096160), (19220, 1074944), (19456, 1061905), (19760, 1045568), (19840, 1041352), (20026, 1031680), (20672, 999440), (20995, 984064), (21080, 980096), (21760, 949468), (23560, 876928), (24320, 849524), (24986, 826880), (25792, 801040), (25840, 799552), (27404, 753920), (28288, 730360), (30628, 674560), (30752, 671840), (31616, 653480), (31744, 650845), (32240, 640832), (32674, 632320), (33280, 620806), (33592, 615040), (33728, 612560), (34255, 603136), (35360, 584288), (36518, 565760), (37696, 548080), (38285, 539648), (38440, 537472), (39520, 522784), (39680, 520676), (40052, 515840), (41344, 499720), (41990, 492032), (42160, 490048), (43520, 474734), (47120, 438464), (48640, 424762), (49972, 413440), (50065, 412672), (51584, 400520), (51680, 399776), (54808, 376960), (56576, 365180), (61256, 337280), (61504, 335920), (62465, 330752), (63232, 326740), (64480, 320416), (65348, 316160), (66560, 310403), (67184, 307520), (67456, 306280), (68510, 301568), (70720, 292144), (73036, 282880), (75392, 274040), (76570, 269824), (76880, 268736), (79040, 261392), (79360, 260338), (80104, 257920), (81685, 252928), (82688, 249860), (83980, 246016), (84320, 245024), (87040, 237367), (91295, 226304), (94240, 219232), (97280, 212381), (99944, 206720), (100130, 206336), (103168, 200260), (103360, 199888), (109616, 188480), (113152, 182590), (122512, 168640), (123008, 167960), (124930, 165376), (126464, 163370), (128960, 160208), (130169, 158720), (130696, 158080), (134368, 153760), (134912, 153140), (137020, 150784), (141440, 146072)]