20731475520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 672

約数和(自身を含む): 86991480576

約数和(自身を除く): 66260005056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 192, 204, 210, 224, 238, 240, 241, 251, 252, 255, 272, 280, 288, 306, 315, 320, 336, 340, 357, 360, 408, 420, 448, 476, 480, 482, 502, 504, 510, 544, 560, 576, 595, 612, 630, 672, 680, 714, 720, 723, 753, 765, 816, 840, 952, 960, 964, 1004, 1008, 1020, 1071, 1088, 1120, 1190, 1205, 1224, 1255, 1260, 1344, 1360, 1428, 1440, 1446, 1506, 1530, 1632, 1680, 1687, 1757, 1785, 1904, 1928, 2008, 2016, 2040, 2142, 2169, 2240, 2259, 2380, 2410, 2448, 2510, 2520, 2720, 2856, 2880, 2892, 3012, 3060, 3264, 3360, 3374, 3514, 3570, 3615, 3765, 3808, 3856, 4016, 4032, 4080, 4097, 4267, 4284, 4338, 4518, 4760, 4820, 4896, 5020, 5040, 5061, 5271, 5355, 5440, 5712, 5784, 6024, 6120, 6720, 6748, 7028, 7140, 7230, 7530, 7616, 7712, 8032, 8160, 8194, 8435, 8534, 8568, 8676, 8785, 9036, 9520, 9640, 9792, 10040, 10080, 10122, 10542, 10710, 10845, 11295, 11424, 11568, 12048, 12240, 12291, 12801, 13496, 14056, 14280, 14460, 15060, 15183, 15424, 15813, 16064, 16320, 16388, 16870, 17068, 17136, 17352, 17570, 18072, 19040, 19280, 20080, 20160, 20244, 20485, 21084, 21335, 21420, 21690, 22590, 22848, 23136, 24096, 24480, 24582, 25305, 25602, 26355, 26992, 28112, 28560, 28679, 28920, 29869, 30120, 30366, 31626, 32776, 33740, 34136, 34272, 34704, 35140, 36144, 36873, 38080, 38403, 38560, 40160, 40488, 40970, 42168, 42670, 42840, 43380, 45180, 46272, 48192, 48960, 49164, 50610, 51204, 52710, 53984, 56224, 57120, 57358, 57840, 59738, 60240, 60491, 60732, 61455, 63252, 64005, 65552, 67480, 68272, 68544, 69408, 70280, 72288, 73746, 75915, 76806, 77120, 79065, 80320, 80976, 81940, 84336, 85340, 85680, 86037, 86760, 89607, 90360, 98328, 101220, 102408, 105420, 107968, 112448, 114240, 114716, 115680, 119476, 120480, 120982, 121464, 122910, 126504, 128010, 131104, 134960, 136544, 138816, 140560, 143395, 144576, 147492, 149345, 151830, 153612, 158130, 161952, 163880, 168672, 170680, 171360, 172074, 173520, 179214, 180720, 181473, 184365, 192015, 196656, 202440, 204816, 210840, 229432, 231360, 238952, 240960, 241964, 242928, 245820, 253008, 256020, 258111, 262208, 268821, 269920, 273088, 281120, 286790, 294984, 298690, 302455, 303660, 307224, 316260, 323904, 327760, 337344, 341360, 342720, 344148, 347040, 358428, 361440, 362946, 368730, 384030, 393312, 404880, 409632, 421680, 423437, 430185, 448035, 458864, 477904, 483928, 485856, 491640, 506016, 512040, 516222, 537642, 539840, 544419, 562240, 573580, 589968, 597380, 604910, 607320, 614448, 632520, 655520, 682720, 688296, 694080, 716856, 722880, 725892, 737460, 768060, 786624, 809760, 819264, 843360, 846874, 860370, 896070, 907365, 917728, 955808, 967856, 971712, 983280, 1012032, 1024080, 1028347, 1032444, 1075284, 1088838, 1147160, 1179936, 1194760, 1209820, 1214640, 1228896, 1265040, 1270311, 1290555, 1311040, 1344105, 1365440, 1376592, 1433712, 1451784, 1474920, 1536120, 1619520, 1686720, 1693748, 1720740, 1792140, 1814730, 1835456, 1911616, 1935712, 1966560, 2048160, 2056694, 2064888, 2117185, 2150568, 2177676, 2294320, 2359872, 2389520, 2419640, 2429280, 2457792, 2530080, 2540622, 2581110, 2688210, 2722095, 2753184, 2867424, 2903568, 2949840, 3072240, 3085041, 3387496, 3441480, 3584280, 3629460, 3810933, 3871424, 3933120, 4096320, 4113388, 4129776, 4234370, 4301136, 4355352, 4588640, 4779040, 4839280, 4858560, 5060160, 5081244, 5141735, 5162220, 5376420, 5444190, 5506368, 5734848, 5807136, 5899680, 6144480, 6170082, 6351555, 6774992, 6882960, 7168560, 7198429, 7258920, 7621866, 8226776, 8259552, 8468740, 8602272, 8710704, 9177280, 9255123, 9558080, 9678560, 10162488, 10283470, 10324440, 10752840, 10888380, 11614272, 11799360, 12288960, 12340164, 12703110, 13549984, 13765920, 14337120, 14396858, 14517840, 15243732, 15425205, 16453552, 16519104, 16937480, 17204544, 17421408, 18510246, 19054665, 19357120, 20324976, 20566940, 20648880, 21505680, 21595287, 21776760, 24680328, 25406220, 27099968, 27531840, 28674240, 28793716, 29035680, 30487464, 30850410, 32907104, 33874960, 34842816, 35992145, 37020492, 38109330, 40649952, 41133880, 41297760, 43011360, 43190574, 43553520, 46275615, 49360656, 50812440, 57587432, 58071360, 60974928, 61700820, 64785861, 65814208, 67749920, 71984290, 74040984, 76218660, 81299904, 82267760, 82595520, 86022720, 86381148, 87107040, 92551230, 98721312, 101624880, 107976435, 115174864, 121949856, 123401640, 129571722, 135499840, 143968580, 148081968, 152437320, 164535520, 172762296, 174214080, 185102460, 197442624, 203249760, 215952870, 230349728, 243899712, 246803280, 259143444, 287937160, 296163936, 304874640, 323929305, 329071040, 345524592, 370204920, 406499520, 431905740, 460699456, 493606560, 518286888, 575874320, 592327872, 609749280, 647858610, 691049184, 740409840, 863811480, 987213120, 1036573776, 1151748640, 1219498560, 1295717220, 1382098368, 1480819680, 1727622960, 2073147552, 2303497280, 2591434440, 2961639360, 3455245920, 4146295104, 5182868880, 6910491840, 10365737760, 20731475520]

約数ペア:

[(1, 20731475520), (2, 10365737760), (3, 6910491840), (4, 5182868880), (5, 4146295104), (6, 3455245920), (7, 2961639360), (8, 2591434440), (9, 2303497280), (10, 2073147552), (12, 1727622960), (14, 1480819680), (15, 1382098368), (16, 1295717220), (17, 1219498560), (18, 1151748640), (20, 1036573776), (21, 987213120), (24, 863811480), (28, 740409840), (30, 691049184), (32, 647858610), (34, 609749280), (35, 592327872), (36, 575874320), (40, 518286888), (42, 493606560), (45, 460699456), (48, 431905740), (51, 406499520), (56, 370204920), (60, 345524592), (63, 329071040), (64, 323929305), (68, 304874640), (70, 296163936), (72, 287937160), (80, 259143444), (84, 246803280), (85, 243899712), (90, 230349728), (96, 215952870), (102, 203249760), (105, 197442624), (112, 185102460), (119, 174214080), (120, 172762296), (126, 164535520), (136, 152437320), (140, 148081968), (144, 143968580), (153, 135499840), (160, 129571722), (168, 123401640), (170, 121949856), (180, 115174864), (192, 107976435), (204, 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15243732), (1428, 14517840), (1440, 14396858), (1446, 14337120), (1506, 13765920), (1530, 13549984), (1632, 12703110), (1680, 12340164), (1687, 12288960), (1757, 11799360), (1785, 11614272), (1904, 10888380), (1928, 10752840), (2008, 10324440), (2016, 10283470), (2040, 10162488), (2142, 9678560), (2169, 9558080), (2240, 9255123), (2259, 9177280), (2380, 8710704), (2410, 8602272), (2448, 8468740), (2510, 8259552), (2520, 8226776), (2720, 7621866), (2856, 7258920), (2880, 7198429), (2892, 7168560), (3012, 6882960), (3060, 6774992), (3264, 6351555), (3360, 6170082), (3374, 6144480), (3514, 5899680), (3570, 5807136), (3615, 5734848), (3765, 5506368), (3808, 5444190), (3856, 5376420), (4016, 5162220), (4032, 5141735), (4080, 5081244), (4097, 5060160), (4267, 4858560), (4284, 4839280), (4338, 4779040), (4518, 4588640), (4760, 4355352), (4820, 4301136), (4896, 4234370), (5020, 4129776), (5040, 4113388), (5061, 4096320), (5271, 3933120), (5355, 3871424), (5440, 3810933), (5712, 3629460), (5784, 3584280), (6024, 3441480), (6120, 3387496), (6720, 3085041), (6748, 3072240), (7028, 2949840), (7140, 2903568), (7230, 2867424), (7530, 2753184), (7616, 2722095), (7712, 2688210), (8032, 2581110), (8160, 2540622), (8194, 2530080), (8435, 2457792), (8534, 2429280), (8568, 2419640), (8676, 2389520), (8785, 2359872), (9036, 2294320), (9520, 2177676), (9640, 2150568), (9792, 2117185), (10040, 2064888), (10080, 2056694), (10122, 2048160), (10542, 1966560), (10710, 1935712), (10845, 1911616), (11295, 1835456), (11424, 1814730), (11568, 1792140), (12048, 1720740), (12240, 1693748), (12291, 1686720), (12801, 1619520), (13496, 1536120), (14056, 1474920), (14280, 1451784), (14460, 1433712), (15060, 1376592), (15183, 1365440), (15424, 1344105), (15813, 1311040), (16064, 1290555), (16320, 1270311), (16388, 1265040), (16870, 1228896), (17068, 1214640), (17136, 1209820), (17352, 1194760), (17570, 1179936), (18072, 1147160), (19040, 1088838), (19280, 1075284), (20080, 1032444), (20160, 1028347), (20244, 1024080), (20485, 1012032), (21084, 983280), (21335, 971712), (21420, 967856), (21690, 955808), (22590, 917728), (22848, 907365), (23136, 896070), (24096, 860370), (24480, 846874), (24582, 843360), (25305, 819264), (25602, 809760), (26355, 786624), (26992, 768060), (28112, 737460), (28560, 725892), (28679, 722880), (28920, 716856), (29869, 694080), (30120, 688296), (30366, 682720), (31626, 655520), (32776, 632520), (33740, 614448), (34136, 607320), (34272, 604910), (34704, 597380), (35140, 589968), (36144, 573580), (36873, 562240), (38080, 544419), (38403, 539840), (38560, 537642), (40160, 516222), (40488, 512040), (40970, 506016), (42168, 491640), (42670, 485856), (42840, 483928), (43380, 477904), (45180, 458864), (46272, 448035), (48192, 430185), (48960, 423437), (49164, 421680), (50610, 409632), (51204, 404880), (52710, 393312), (53984, 384030), (56224, 368730), (57120, 362946), (57358, 361440), (57840, 358428), (59738, 347040), (60240, 344148), (60491, 342720), (60732, 341360), (61455, 337344), (63252, 327760), (64005, 323904), (65552, 316260), (67480, 307224), (68272, 303660), (68544, 302455), (69408, 298690), (70280, 294984), (72288, 286790), (73746, 281120), (75915, 273088), (76806, 269920), (77120, 268821), (79065, 262208), (80320, 258111), (80976, 256020), (81940, 253008), (84336, 245820), (85340, 242928), (85680, 241964), (86037, 240960), (86760, 238952), (89607, 231360), (90360, 229432), (98328, 210840), (101220, 204816), (102408, 202440), (105420, 196656), (107968, 192015), (112448, 184365), (114240, 181473), (114716, 180720), (115680, 179214), (119476, 173520), (120480, 172074), (120982, 171360), (121464, 170680), (122910, 168672), (126504, 163880), (128010, 161952), (131104, 158130), (134960, 153612), (136544, 151830), (138816, 149345), (140560, 147492), (143395, 144576)]