20691390720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 864

約数和(自身を含む): 90428849280

約数和(自身を除く): 69737458560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 49, 52, 55, 56, 60, 64, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 98, 104, 105, 110, 112, 120, 128, 130, 132, 140, 143, 147, 154, 156, 160, 165, 168, 176, 182, 192, 195, 196, 208, 210, 220, 224, 231, 240, 245, 256, 260, 264, 273, 280, 286, 294, 308, 312, 320, 330, 336, 352, 364, 384, 385, 390, 392, 416, 420, 429, 440, 448, 455, 462, 480, 490, 520, 528, 539, 546, 560, 572, 588, 616, 624, 637, 640, 660, 672, 704, 715, 728, 735, 768, 769, 770, 780, 784, 832, 840, 858, 880, 896, 910, 924, 960, 980, 1001, 1040, 1056, 1078, 1092, 1120, 1144, 1155, 1176, 1232, 1248, 1274, 1280, 1320, 1344, 1365, 1408, 1430, 1456, 1470, 1538, 1540, 1560, 1568, 1617, 1664, 1680, 1716, 1760, 1792, 1820, 1848, 1911, 1920, 1960, 2002, 2080, 2112, 2145, 2156, 2184, 2240, 2288, 2307, 2310, 2352, 2464, 2496, 2548, 2640, 2688, 2695, 2730, 2816, 2860, 2912, 2940, 3003, 3076, 3080, 3120, 3136, 3185, 3234, 3328, 3360, 3432, 3520, 3640, 3696, 3822, 3840, 3845, 3920, 4004, 4160, 4224, 4290, 4312, 4368, 4480, 4576, 4614, 4620, 4704, 4928, 4992, 5005, 5096, 5280, 5376, 5383, 5390, 5460, 5720, 5824, 5880, 6006, 6152, 6160, 6240, 6272, 6370, 6468, 6720, 6864, 7007, 7040, 7280, 7392, 7644, 7690, 7840, 8008, 8085, 8320, 8448, 8459, 8580, 8624, 8736, 8960, 9152, 9228, 9240, 9408, 9555, 9856, 9984, 9997, 10010, 10192, 10560, 10766, 10780, 10920, 11440, 11535, 11648, 11760, 12012, 12304, 12320, 12480, 12544, 12740, 12936, 13440, 13728, 14014, 14080, 14560, 14784, 15015, 15288, 15380, 15680, 16016, 16149, 16170, 16640, 16918, 17160, 17248, 17472, 18304, 18456, 18480, 18816, 19110, 19712, 19994, 20020, 20384, 21021, 21120, 21532, 21560, 21840, 22880, 23070, 23296, 23520, 24024, 24608, 24640, 24960, 25377, 25480, 25872, 26880, 26915, 27456, 28028, 29120, 29568, 29991, 30030, 30576, 30760, 31360, 32032, 32298, 32340, 33836, 34320, 34496, 34944, 35035, 36608, 36912, 36960, 37632, 37681, 38220, 39988, 40040, 40768, 42042, 42240, 42295, 43064, 43120, 43680, 45760, 46140, 47040, 48048, 49216, 49280, 49920, 49985, 50754, 50960, 51744, 53830, 54912, 56056, 58240, 59136, 59213, 59982, 60060, 61152, 61520, 62720, 64064, 64596, 64680, 67672, 68640, 68992, 69888, 69979, 70070, 73824, 73920, 75362, 76440, 79976, 80080, 80745, 81536, 84084, 84590, 86128, 86240, 87360, 91520, 92280, 94080, 96096, 98432, 98560, 99970, 101508, 101920, 103488, 105105, 107660, 109824, 109967, 112112, 113043, 116480, 118426, 119964, 120120, 122304, 123040, 126885, 128128, 129192, 129360, 135344, 137280, 137984, 139958, 140140, 147648, 147840, 149955, 150724, 152880, 159952, 160160, 161490, 163072, 168168, 169180, 172256, 172480, 174720, 177639, 183040, 184560, 188160, 188405, 192192, 196864, 199940, 203016, 203840, 206976, 209937, 210210, 215320, 219934, 224224, 226086, 236852, 239928, 240240, 244608, 246080, 253770, 256256, 258384, 258720, 270688, 274560, 279916, 280280, 295296, 295680, 296065, 299910, 301448, 305760, 319904, 320320, 322980, 329901, 336336, 338360, 344512, 344960, 349440, 349895, 355278, 369120, 376810, 384384, 399880, 406032, 407680, 413952, 414491, 419874, 420420, 430640, 439868, 448448, 452172, 473704, 479856, 480480, 489216, 489853, 492160, 507540, 516768, 517440, 541376, 549120, 549835, 559832, 560560, 565215, 590592, 592130, 599820, 602896, 611520, 639808, 640640, 645960, 659802, 672672, 676720, 689024, 689920, 699790, 710556, 738240, 753620, 768768, 769769, 799760, 812064, 815360, 828982, 839748, 840840, 861280, 879736, 888195, 896896, 904344, 947408, 959712, 960960, 979706, 984320, 1015080, 1033536, 1034880, 1049685, 1082752, 1099670, 1119664, 1121120, 1130430, 1184260, 1199640, 1205792, 1223040, 1243473, 1279616, 1281280, 1291920, 1319604, 1345344, 1353440, 1378048, 1399580, 1421112, 1469559, 1476480, 1507240, 1539538, 1599520, 1624128, 1649505, 1657964, 1679496, 1681680, 1722560, 1759472, 1776390, 1793792, 1808688, 1894816, 1919424, 1921920, 1959412, 2030160, 2067072, 2069760, 2072455, 2099370, 2165504, 2199340, 2239328, 2242240, 2260860, 2309307, 2368520, 2399280, 2411584, 2446080, 2449265, 2486946, 2559232, 2583840, 2639208, 2690688, 2706880, 2799160, 2842224, 2939118, 2952960, 3014480, 3079076, 3199040, 3248256, 3299010, 3315928, 3358992, 3363360, 3445120, 3518944, 3552780, 3617376, 3789632, 3838848, 3843840, 3848845, 3918824, 4060320, 4134144, 4144910, 4198740, 4398680, 4478656, 4484480, 4521720, 4618614, 4737040, 4798560, 4823168, 4898530, 4973892, 5167680, 5278416, 5381376, 5388383, 5413760, 5598320, 5684448, 5878236, 6028960, 6158152, 6217365, 6398080, 6496512, 6598020, 6631856, 6717984, 6726720, 6890240, 7037888, 7105560, 7234752, 7347795, 7579264, 7677696, 7697690, 7837648, 8120640, 8289820, 8397480, 8797360, 8957312, 8968960, 9043440, 9237228, 9474080, 9597120, 9646336, 9797060, 9947784, 10335360, 10556832, 10776766, 10827520, 11196640, 11368896, 11546535, 11756472, 12057920, 12316304, 12434730, 12796160, 13196040, 13263712, 13435968, 13453440, 14075776, 14211120, 14469504, 14695590, 15158528, 15395380, 15675296, 16165149, 16241280, 16579640, 16794960, 17594720, 17914624, 18086880, 18474456, 18948160, 19194240, 19594120, 19895568, 20670720, 21113664, 21553532, 22393280, 22737792, 23093070, 23512944, 24115840, 24632608, 24869460, 26392080, 26527424, 26871936, 26906880, 26941915, 28151552, 28422240, 28939008, 29391180, 30790760, 31350592, 32330298, 32482560, 33159280, 33589920, 35189440, 36173760, 36948912, 37896320, 38388480, 39188240, 39791136, 42227328, 43107064, 44786560, 45475584, 46186140, 47025888, 48231680, 49265216, 49738920, 52784160, 53054848, 53743872, 53883830, 56844480, 58782360, 61581520, 62701184, 64660596, 66318560, 67179840, 70378880, 72347520, 73897824, 75792640, 78376480, 79582272, 80825745, 84454656, 86214128, 89573120, 92372280, 94051776, 98530432, 99477840, 105568320, 106109696, 107767660, 113688960, 117564720, 123163040, 125402368, 129321192, 132637120, 134359680, 140757760, 144695040, 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約数ペア:

[(1, 20691390720), (2, 10345695360), (3, 6897130240), (4, 5172847680), (5, 4138278144), (6, 3448565120), (7, 2955912960), (8, 2586423840), (10, 2069139072), (11, 1881035520), (12, 1724282560), (13, 1591645440), (14, 1477956480), (15, 1379426048), (16, 1293211920), (20, 1034569536), (21, 985304320), (22, 940517760), (24, 862141280), (26, 795822720), (28, 738978240), (30, 689713024), (32, 646605960), (33, 627011840), (35, 591182592), (39, 530548480), (40, 517284768), (42, 492652160), (44, 470258880), (48, 431070640), (49, 422273280), (52, 397911360), (55, 376207104), (56, 369489120), (60, 344856512), (64, 323302980), (65, 318329088), (66, 313505920), (70, 295591296), (77, 268719360), (78, 265274240), (80, 258642384), (84, 246326080), (88, 235129440), (91, 227377920), (96, 215535320), (98, 211136640), (104, 198955680), (105, 197060864), (110, 188103552), (112, 184744560), (120, 172428256), (128, 161651490), (130, 159164544), (132, 156752960), (140, 147795648), (143, 144695040), (147, 140757760), (154, 134359680), (156, 132637120), (160, 129321192), (165, 125402368), (168, 123163040), (176, 117564720), (182, 113688960), (192, 107767660), (195, 106109696), (196, 105568320), (208, 99477840), (210, 98530432), (220, 94051776), (224, 92372280), (231, 89573120), (240, 86214128), (245, 84454656), (256, 80825745), (260, 79582272), (264, 78376480), (273, 75792640), (280, 73897824), (286, 72347520), (294, 70378880), (308, 67179840), (312, 66318560), (320, 64660596), (330, 62701184), (336, 61581520), (352, 58782360), (364, 56844480), (384, 53883830), (385, 53743872), (390, 53054848), (392, 52784160), (416, 49738920), (420, 49265216), (429, 48231680), (440, 47025888), (448, 46186140), (455, 45475584), (462, 44786560), (480, 43107064), (490, 42227328), (520, 39791136), (528, 39188240), (539, 38388480), (546, 37896320), (560, 36948912), (572, 36173760), (588, 35189440), (616, 33589920), (624, 33159280), (637, 32482560), (640, 32330298), (660, 31350592), (672, 30790760), (704, 29391180), (715, 28939008), (728, 28422240), (735, 28151552), (768, 26941915), (769, 26906880), (770, 26871936), (780, 26527424), (784, 26392080), (832, 24869460), (840, 24632608), (858, 24115840), (880, 23512944), (896, 23093070), (910, 22737792), (924, 22393280), (960, 21553532), (980, 21113664), (1001, 20670720), (1040, 19895568), (1056, 19594120), (1078, 19194240), (1092, 18948160), (1120, 18474456), (1144, 18086880), (1155, 17914624), (1176, 17594720), (1232, 16794960), (1248, 16579640), (1274, 16241280), (1280, 16165149), (1320, 15675296), (1344, 15395380), (1365, 15158528), (1408, 14695590), (1430, 14469504), (1456, 14211120), (1470, 14075776), (1538, 13453440), (1540, 13435968), (1560, 13263712), (1568, 13196040), (1617, 12796160), (1664, 12434730), (1680, 12316304), (1716, 12057920), (1760, 11756472), (1792, 11546535), (1820, 11368896), (1848, 11196640), (1911, 10827520), (1920, 10776766), (1960, 10556832), (2002, 10335360), (2080, 9947784), (2112, 9797060), (2145, 9646336), (2156, 9597120), (2184, 9474080), (2240, 9237228), (2288, 9043440), (2307, 8968960), (2310, 8957312), (2352, 8797360), (2464, 8397480), (2496, 8289820), (2548, 8120640), (2640, 7837648), (2688, 7697690), (2695, 7677696), (2730, 7579264), (2816, 7347795), (2860, 7234752), (2912, 7105560), (2940, 7037888), (3003, 6890240), (3076, 6726720), (3080, 6717984), (3120, 6631856), (3136, 6598020), (3185, 6496512), (3234, 6398080), (3328, 6217365), (3360, 6158152), (3432, 6028960), (3520, 5878236), (3640, 5684448), (3696, 5598320), (3822, 5413760), (3840, 5388383), (3845, 5381376), (3920, 5278416), (4004, 5167680), (4160, 4973892), (4224, 4898530), (4290, 4823168), (4312, 4798560), (4368, 4737040), (4480, 4618614), (4576, 4521720), (4614, 4484480), (4620, 4478656), (4704, 4398680), (4928, 4198740), (4992, 4144910), (5005, 4134144), (5096, 4060320), (5280, 3918824), (5376, 3848845), (5383, 3843840), (5390, 3838848), (5460, 3789632), (5720, 3617376), (5824, 3552780), (5880, 3518944), (6006, 3445120), (6152, 3363360), (6160, 3358992), (6240, 3315928), (6272, 3299010), (6370, 3248256), (6468, 3199040), (6720, 3079076), (6864, 3014480), (7007, 2952960), (7040, 2939118), (7280, 2842224), (7392, 2799160), (7644, 2706880), (7690, 2690688), (7840, 2639208), (8008, 2583840), (8085, 2559232), (8320, 2486946), (8448, 2449265), (8459, 2446080), (8580, 2411584), (8624, 2399280), (8736, 2368520), (8960, 2309307), (9152, 2260860), (9228, 2242240), (9240, 2239328), (9408, 2199340), (9555, 2165504), (9856, 2099370), (9984, 2072455), (9997, 2069760), (10010, 2067072), (10192, 2030160), (10560, 1959412), (10766, 1921920), (10780, 1919424), (10920, 1894816), (11440, 1808688), (11535, 1793792), (11648, 1776390), (11760, 1759472), (12012, 1722560), (12304, 1681680), (12320, 1679496), (12480, 1657964), (12544, 1649505), (12740, 1624128), (12936, 1599520), (13440, 1539538), (13728, 1507240), (14014, 1476480), (14080, 1469559), (14560, 1421112), (14784, 1399580), (15015, 1378048), (15288, 1353440), (15380, 1345344), (15680, 1319604), (16016, 1291920), (16149, 1281280), (16170, 1279616), (16640, 1243473), (16918, 1223040), (17160, 1205792), (17248, 1199640), (17472, 1184260), (18304, 1130430), (18456, 1121120), (18480, 1119664), (18816, 1099670), (19110, 1082752), (19712, 1049685), (19994, 1034880), (20020, 1033536), (20384, 1015080), (21021, 984320), (21120, 979706), (21532, 960960), (21560, 959712), (21840, 947408), (22880, 904344), (23070, 896896), (23296, 888195), (23520, 879736), (24024, 861280), (24608, 840840), (24640, 839748), (24960, 828982), (25377, 815360), (25480, 812064), (25872, 799760), (26880, 769769), (26915, 768768), (27456, 753620), (28028, 738240), (29120, 710556), (29568, 699790), (29991, 689920), (30030, 689024), (30576, 676720), (30760, 672672), (31360, 659802), (32032, 645960), (32298, 640640), (32340, 639808), (33836, 611520), (34320, 602896), (34496, 599820), (34944, 592130), (35035, 590592), (36608, 565215), (36912, 560560), (36960, 559832), (37632, 549835), (37681, 549120), (38220, 541376), (39988, 517440), (40040, 516768), (40768, 507540), (42042, 492160), (42240, 489853), (42295, 489216), (43064, 480480), (43120, 479856), (43680, 473704), (45760, 452172), (46140, 448448), (47040, 439868), (48048, 430640), (49216, 420420), (49280, 419874), (49920, 414491), (49985, 413952), (50754, 407680), (50960, 406032), (51744, 399880), (53830, 384384), (54912, 376810), (56056, 369120), (58240, 355278), (59136, 349895), (59213, 349440), (59982, 344960), (60060, 344512), (61152, 338360), (61520, 336336), (62720, 329901), (64064, 322980), (64596, 320320), (64680, 319904), (67672, 305760), (68640, 301448), (68992, 299910), (69888, 296065), (69979, 295680), (70070, 295296), (73824, 280280), (73920, 279916), (75362, 274560), (76440, 270688), (79976, 258720), (80080, 258384), (80745, 256256), (81536, 253770), (84084, 246080), (84590, 244608), (86128, 240240), (86240, 239928), (87360, 236852), (91520, 226086), (92280, 224224), (94080, 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