20951416080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:424

約数の個数: 720

約数和(自身を含む): 87594487344

約数和(自身を除く): 66643071264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 49, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 98, 102, 105, 112, 119, 120, 126, 136, 140, 144, 147, 153, 168, 170, 180, 181, 193, 196, 204, 210, 238, 240, 245, 252, 255, 272, 280, 294, 306, 315, 336, 340, 357, 360, 362, 386, 392, 408, 420, 441, 476, 490, 504, 510, 543, 560, 579, 588, 595, 612, 630, 680, 714, 720, 724, 735, 765, 772, 784, 816, 833, 840, 882, 905, 952, 965, 980, 1008, 1020, 1071, 1086, 1158, 1176, 1190, 1224, 1260, 1267, 1351, 1360, 1428, 1448, 1470, 1530, 1544, 1629, 1666, 1680, 1737, 1764, 1785, 1810, 1904, 1930, 1960, 2040, 2142, 2172, 2205, 2316, 2352, 2380, 2448, 2499, 2520, 2534, 2702, 2715, 2856, 2895, 2896, 2940, 3060, 3077, 3088, 3258, 3281, 3332, 3474, 3528, 3570, 3620, 3801, 3860, 3920, 4053, 4080, 4165, 4284, 4344, 4410, 4632, 4760, 4998, 5040, 5068, 5355, 5404, 5430, 5712, 5790, 5880, 6120, 6154, 6335, 6516, 6562, 6664, 6755, 6948, 7056, 7140, 7240, 7497, 7602, 7720, 8106, 8145, 8330, 8568, 8685, 8688, 8820, 8869, 9231, 9264, 9457, 9520, 9843, 9996, 10136, 10710, 10808, 10860, 11403, 11580, 11760, 12159, 12240, 12308, 12495, 12670, 13032, 13124, 13328, 13510, 13896, 14280, 14480, 14994, 15204, 15385, 15440, 16212, 16290, 16405, 16660, 17136, 17370, 17640, 17738, 18462, 18914, 19005, 19686, 19992, 20265, 20272, 21420, 21539, 21616, 21720, 22806, 22967, 23160, 24318, 24616, 24990, 25340, 26064, 26248, 26607, 27020, 27693, 27792, 28371, 28560, 29529, 29988, 30408, 30770, 32424, 32580, 32810, 33320, 34740, 34933, 35280, 35476, 36924, 37485, 37828, 38010, 39372, 39984, 40530, 42840, 43078, 43440, 44345, 45612, 45934, 46155, 46320, 47285, 48636, 49215, 49232, 49980, 50680, 52496, 53214, 54040, 55386, 56742, 57015, 59058, 59976, 60795, 60816, 61540, 64617, 64848, 65160, 65620, 66640, 68901, 69480, 69866, 70952, 73848, 74970, 75656, 76020, 78744, 79821, 81060, 85113, 85680, 86156, 88690, 91224, 91868, 92310, 94570, 97272, 98430, 99960, 101360, 104799, 106428, 107695, 108080, 110772, 113484, 114030, 114835, 118116, 119952, 121590, 123080, 129234, 130320, 131240, 133035, 137802, 138465, 138960, 139732, 141855, 141904, 147645, 147696, 149940, 150773, 151312, 152040, 157488, 159642, 160769, 162120, 170226, 172312, 174665, 177380, 182448, 183736, 184620, 189140, 193851, 194544, 196860, 199920, 206703, 209598, 212856, 215390, 221544, 226968, 228060, 229670, 236232, 243180, 244531, 246160, 258468, 262480, 266070, 275604, 276930, 279464, 283710, 295290, 299880, 301546, 304080, 314397, 319284, 321538, 323085, 324240, 340452, 344505, 344624, 349330, 354760, 367472, 369240, 378280, 387702, 393720, 399105, 413406, 419196, 425565, 425712, 430780, 443088, 452319, 453936, 456120, 459340, 472464, 482307, 486360, 489062, 516936, 523995, 532140, 551208, 553860, 558928, 567420, 590580, 593861, 599760, 603092, 628794, 638568, 643076, 646170, 680904, 689010, 698660, 709520, 733593, 738480, 753865, 756560, 775404, 787440, 798210, 803845, 826812, 838392, 851130, 861560, 904638, 912240, 918680, 964614, 969255, 972720, 978124, 1033515, 1033872, 1047990, 1064280, 1102416, 1107720, 1134840, 1181160, 1187722, 1206184, 1222655, 1257588, 1277136, 1286152, 1292340, 1356957, 1361808, 1378020, 1397320, 1446921, 1467186, 1507730, 1550808, 1571985, 1596420, 1607690, 1653624, 1676784, 1702260, 1711717, 1723120, 1781583, 1809276, 1837360, 1929228, 1938510, 1956248, 2067030, 2095980, 2128560, 2200779, 2215440, 2261595, 2269680, 2362320, 2375444, 2411535, 2412368, 2445310, 2515176, 2572304, 2584680, 2713914, 2756040, 2794640, 2893842, 2934372, 2969305, 3015460, 3101616, 3143970, 3192840, 3215380, 3307248, 3404520, 3423434, 3563166, 3618552, 3667965, 3858456, 3877020, 3912496, 4134060, 4157027, 4191960, 4401558, 4523190, 4750888, 4823070, 4890620, 5030352, 5135151, 5169360, 5344749, 5427828, 5512080, 5787684, 5868744, 5938610, 6030920, 6287940, 6385680, 6430760, 6784785, 6809040, 6846868, 7126332, 7234605, 7237104, 7335930, 7716912, 7754040, 8268120, 8314054, 8383920, 8558585, 8803116, 8907915, 9046380, 9501776, 9646140, 9781240, 10270302, 10689498, 10855656, 11003895, 11575368, 11737488, 11877220, 12061840, 12471081, 12575880, 12861520, 13569570, 13693736, 14252664, 14469210, 14671860, 15405453, 15508080, 16536240, 16628108, 17117170, 17606232, 17815830, 18092760, 19292280, 19562480, 20540604, 20785135, 21378996, 21711312, 22007790, 23150736, 23754440, 24942162, 25151760, 25675755, 26723745, 27139140, 27387472, 28505328, 28938420, 29099189, 29343720, 30810906, 33256216, 34234340, 35212464, 35631660, 36185520, 37413243, 38584560, 41081208, 41570270, 42757992, 44015580, 47508880, 49884324, 51351510, 53447490, 54278280, 57876840, 58198378, 58687440, 61621812, 62355405, 66512432, 68468680, 71263320, 74826486, 77027265, 82162416, 83140540, 85515984, 87297567, 88031160, 99768648, 102703020, 106894980, 108556560, 115753680, 116396756, 123243624, 124710810, 136937360, 142526640, 145495945, 149652972, 154054530, 166281080, 174595134, 176062320, 187066215, 199537296, 205406040, 213789960, 232793512, 246487248, 249421620, 261892701, 290991890, 299305944, 308109060, 332562160, 349190268, 374132430, 410812080, 427579920, 436487835, 465587024, 498843240, 523785402, 581983780, 598611888, 616218120, 698380536, 748264860, 872975670, 997686480, 1047570804, 1163967560, 1232436240, 1309463505, 1396761072, 1496529720, 1745951340, 2095141608, 2327935120, 2618927010, 2993059440, 3491902680, 4190283216, 5237854020, 6983805360, 10475708040, 20951416080]

約数ペア:

[(1, 20951416080), (2, 10475708040), (3, 6983805360), (4, 5237854020), (5, 4190283216), (6, 3491902680), (7, 2993059440), (8, 2618927010), (9, 2327935120), (10, 2095141608), (12, 1745951340), (14, 1496529720), (15, 1396761072), (16, 1309463505), (17, 1232436240), (18, 1163967560), (20, 1047570804), (21, 997686480), (24, 872975670), (28, 748264860), (30, 698380536), (34, 616218120), (35, 598611888), (36, 581983780), (40, 523785402), (42, 498843240), (45, 465587024), (48, 436487835), (49, 427579920), (51, 410812080), (56, 374132430), (60, 349190268), (63, 332562160), (68, 308109060), (70, 299305944), (72, 290991890), (80, 261892701), (84, 249421620), (85, 246487248), (90, 232793512), (98, 213789960), (102, 205406040), (105, 199537296), (112, 187066215), (119, 176062320), (120, 174595134), (126, 166281080), (136, 154054530), (140, 149652972), (144, 145495945), (147, 142526640), (153, 136937360), (168, 124710810), (170, 123243624), (180, 116396756), (181, 115753680), (193, 108556560), (196, 106894980), (204, 102703020), (210, 99768648), (238, 88031160), (240, 87297567), (245, 85515984), (252, 83140540), (255, 82162416), (272, 77027265), (280, 74826486), (294, 71263320), (306, 68468680), (315, 66512432), (336, 62355405), (340, 61621812), (357, 58687440), (360, 58198378), (362, 57876840), (386, 54278280), (392, 53447490), (408, 51351510), (420, 49884324), (441, 47508880), (476, 44015580), (490, 42757992), (504, 41570270), (510, 41081208), (543, 38584560), (560, 37413243), (579, 36185520), (588, 35631660), (595, 35212464), (612, 34234340), (630, 33256216), (680, 30810906), (714, 29343720), (720, 29099189), (724, 28938420), (735, 28505328), (765, 27387472), (772, 27139140), (784, 26723745), (816, 25675755), (833, 25151760), (840, 24942162), (882, 23754440), (905, 23150736), (952, 22007790), (965, 21711312), (980, 21378996), (1008, 20785135), (1020, 20540604), (1071, 19562480), (1086, 19292280), (1158, 18092760), (1176, 17815830), (1190, 17606232), (1224, 17117170), (1260, 16628108), (1267, 16536240), (1351, 15508080), (1360, 15405453), (1428, 14671860), (1448, 14469210), (1470, 14252664), (1530, 13693736), (1544, 13569570), (1629, 12861520), (1666, 12575880), (1680, 12471081), (1737, 12061840), (1764, 11877220), (1785, 11737488), (1810, 11575368), (1904, 11003895), (1930, 10855656), (1960, 10689498), (2040, 10270302), (2142, 9781240), (2172, 9646140), (2205, 9501776), (2316, 9046380), (2352, 8907915), (2380, 8803116), (2448, 8558585), (2499, 8383920), (2520, 8314054), (2534, 8268120), (2702, 7754040), (2715, 7716912), (2856, 7335930), (2895, 7237104), (2896, 7234605), (2940, 7126332), (3060, 6846868), (3077, 6809040), (3088, 6784785), (3258, 6430760), (3281, 6385680), (3332, 6287940), (3474, 6030920), (3528, 5938610), (3570, 5868744), (3620, 5787684), (3801, 5512080), (3860, 5427828), (3920, 5344749), (4053, 5169360), (4080, 5135151), (4165, 5030352), (4284, 4890620), (4344, 4823070), (4410, 4750888), (4632, 4523190), (4760, 4401558), (4998, 4191960), (5040, 4157027), (5068, 4134060), (5355, 3912496), (5404, 3877020), (5430, 3858456), (5712, 3667965), (5790, 3618552), (5880, 3563166), (6120, 3423434), (6154, 3404520), (6335, 3307248), (6516, 3215380), (6562, 3192840), (6664, 3143970), (6755, 3101616), (6948, 3015460), (7056, 2969305), (7140, 2934372), (7240, 2893842), (7497, 2794640), (7602, 2756040), (7720, 2713914), (8106, 2584680), (8145, 2572304), (8330, 2515176), (8568, 2445310), (8685, 2412368), (8688, 2411535), (8820, 2375444), (8869, 2362320), (9231, 2269680), (9264, 2261595), (9457, 2215440), (9520, 2200779), (9843, 2128560), (9996, 2095980), (10136, 2067030), (10710, 1956248), (10808, 1938510), (10860, 1929228), (11403, 1837360), (11580, 1809276), (11760, 1781583), (12159, 1723120), (12240, 1711717), (12308, 1702260), (12495, 1676784), (12670, 1653624), (13032, 1607690), (13124, 1596420), (13328, 1571985), (13510, 1550808), (13896, 1507730), (14280, 1467186), (14480, 1446921), (14994, 1397320), (15204, 1378020), (15385, 1361808), (15440, 1356957), (16212, 1292340), (16290, 1286152), (16405, 1277136), (16660, 1257588), (17136, 1222655), (17370, 1206184), (17640, 1187722), (17738, 1181160), (18462, 1134840), (18914, 1107720), (19005, 1102416), (19686, 1064280), (19992, 1047990), (20265, 1033872), (20272, 1033515), (21420, 978124), (21539, 972720), (21616, 969255), (21720, 964614), (22806, 918680), (22967, 912240), (23160, 904638), (24318, 861560), (24616, 851130), (24990, 838392), (25340, 826812), (26064, 803845), (26248, 798210), (26607, 787440), (27020, 775404), (27693, 756560), (27792, 753865), (28371, 738480), (28560, 733593), (29529, 709520), (29988, 698660), (30408, 689010), (30770, 680904), (32424, 646170), (32580, 643076), (32810, 638568), (33320, 628794), (34740, 603092), (34933, 599760), (35280, 593861), (35476, 590580), (36924, 567420), (37485, 558928), (37828, 553860), (38010, 551208), (39372, 532140), (39984, 523995), (40530, 516936), (42840, 489062), (43078, 486360), (43440, 482307), (44345, 472464), (45612, 459340), (45934, 456120), (46155, 453936), (46320, 452319), (47285, 443088), (48636, 430780), (49215, 425712), (49232, 425565), (49980, 419196), (50680, 413406), (52496, 399105), (53214, 393720), (54040, 387702), (55386, 378280), (56742, 369240), (57015, 367472), (59058, 354760), (59976, 349330), (60795, 344624), (60816, 344505), (61540, 340452), (64617, 324240), (64848, 323085), (65160, 321538), (65620, 319284), (66640, 314397), (68901, 304080), (69480, 301546), (69866, 299880), (70952, 295290), (73848, 283710), (74970, 279464), (75656, 276930), (76020, 275604), (78744, 266070), (79821, 262480), (81060, 258468), (85113, 246160), (85680, 244531), (86156, 243180), (88690, 236232), (91224, 229670), (91868, 228060), (92310, 226968), (94570, 221544), (97272, 215390), (98430, 212856), (99960, 209598), (101360, 206703), (104799, 199920), (106428, 196860), (107695, 194544), (108080, 193851), (110772, 189140), (113484, 184620), (114030, 183736), (114835, 182448), (118116, 177380), (119952, 174665), (121590, 172312), (123080, 170226), (129234, 162120), (130320, 160769), (131240, 159642), (133035, 157488), (137802, 152040), (138465, 151312), (138960, 150773), (139732, 149940), (141855, 147696), (141904, 147645)]