20019847680

素因数分解:

$2^9\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 960

約数和(自身を含む): 86654810880

約数和(自身を除く): 66634963200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 49, 54, 56, 60, 63, 64, 69, 70, 72, 80, 84, 90, 92, 96, 98, 105, 108, 112, 115, 120, 126, 128, 135, 138, 140, 144, 147, 160, 161, 168, 180, 184, 189, 192, 196, 207, 210, 216, 224, 230, 240, 245, 252, 256, 257, 270, 276, 280, 288, 294, 315, 320, 322, 336, 345, 360, 368, 378, 384, 392, 414, 420, 432, 441, 448, 460, 480, 483, 490, 504, 512, 514, 540, 552, 560, 576, 588, 621, 630, 640, 644, 672, 690, 720, 735, 736, 756, 768, 771, 784, 805, 828, 840, 864, 882, 896, 920, 945, 960, 966, 980, 1008, 1028, 1035, 1080, 1104, 1120, 1127, 1152, 1176, 1242, 1260, 1280, 1285, 1288, 1323, 1344, 1380, 1440, 1449, 1470, 1472, 1512, 1536, 1542, 1568, 1610, 1656, 1680, 1728, 1764, 1792, 1799, 1840, 1890, 1920, 1932, 1960, 2016, 2056, 2070, 2160, 2205, 2208, 2240, 2254, 2304, 2313, 2352, 2415, 2484, 2520, 2560, 2570, 2576, 2646, 2688, 2760, 2880, 2898, 2940, 2944, 3024, 3084, 3105, 3136, 3220, 3312, 3360, 3381, 3456, 3528, 3584, 3598, 3680, 3780, 3840, 3855, 3864, 3920, 4032, 4112, 4140, 4320, 4347, 4410, 4416, 4480, 4508, 4608, 4626, 4704, 4830, 4968, 5040, 5140, 5152, 5292, 5376, 5397, 5520, 5635, 5760, 5796, 5880, 5888, 5911, 6048, 6168, 6210, 6272, 6440, 6615, 6624, 6720, 6762, 6912, 6939, 7056, 7196, 7245, 7360, 7560, 7680, 7710, 7728, 7840, 8064, 8224, 8280, 8640, 8694, 8820, 8832, 8960, 8995, 9016, 9252, 9408, 9660, 9936, 10080, 10143, 10280, 10304, 10584, 10752, 10794, 11040, 11270, 11520, 11565, 11592, 11760, 11776, 11822, 12096, 12336, 12420, 12544, 12593, 12880, 13230, 13248, 13440, 13524, 13824, 13878, 14112, 14392, 14490, 14720, 15120, 15420, 15456, 15680, 16128, 16191, 16448, 16560, 16905, 17280, 17388, 17640, 17664, 17733, 17920, 17990, 18032, 18504, 18816, 19320, 19872, 20160, 20286, 20560, 20608, 21168, 21588, 21735, 22080, 22540, 23040, 23130, 23184, 23520, 23644, 24192, 24672, 24840, 25088, 25186, 25760, 26460, 26496, 26880, 26985, 27048, 27756, 28224, 28784, 28980, 29440, 29555, 30240, 30429, 30840, 30912, 31360, 32256, 32382, 32896, 33120, 33810, 34560, 34695, 34776, 35280, 35328, 35466, 35980, 36064, 37008, 37632, 37779, 38640, 39744, 40320, 40572, 41120, 41216, 41377, 42336, 43176, 43470, 44160, 45080, 46260, 46368, 47040, 47288, 48384, 48573, 49344, 49680, 50372, 50715, 51520, 52920, 52992, 53199, 53760, 53970, 54096, 55512, 56448, 57568, 57960, 58880, 59110, 60480, 60858, 61680, 61824, 62720, 62965, 64764, 65792, 66240, 67620, 69120, 69390, 69552, 70560, 70932, 71960, 72128, 74016, 75264, 75558, 77280, 79488, 80640, 80955, 81144, 82240, 82432, 82754, 84672, 86352, 86940, 88320, 88665, 90160, 92520, 92736, 94080, 94576, 96768, 97146, 98688, 99360, 100744, 101430, 103040, 105840, 105984, 106398, 107940, 108192, 111024, 112896, 113337, 115136, 115920, 118220, 120960, 121716, 123360, 123648, 124131, 125440, 125930, 129528, 131584, 132480, 135240, 138780, 139104, 141120, 141864, 143920, 144256, 148032, 151116, 152145, 154560, 158976, 159597, 161280, 161910, 162288, 164480, 165508, 169344, 172704, 173880, 176640, 177330, 180320, 185040, 185472, 188160, 188895, 189152, 194292, 197376, 198720, 201488, 202860, 206080, 206885, 211680, 212796, 215880, 216384, 222048, 225792, 226674, 230272, 231840, 236440, 241920, 242865, 243432, 246720, 247296, 248262, 251860, 259056, 264960, 265995, 270480, 277560, 278208, 282240, 283728, 287840, 288512, 289639, 296064, 302232, 304290, 309120, 317952, 319194, 323820, 324576, 328960, 331016, 338688, 340011, 345408, 347760, 354660, 360640, 370080, 370944, 372393, 376320, 377790, 378304, 388584, 394752, 397440, 402976, 405720, 412160, 413770, 423360, 425592, 431760, 432768, 444096, 453348, 460544, 463680, 472880, 483840, 485730, 486864, 493440, 496524, 503720, 518112, 529920, 531990, 540960, 555120, 556416, 564480, 566685, 567456, 575680, 577024, 579278, 592128, 604464, 608580, 618240, 620655, 638388, 647640, 649152, 657920, 662032, 677376, 680022, 690816, 695520, 709320, 721280, 740160, 741888, 744786, 755580, 756608, 777168, 794880, 797985, 805952, 811440, 827540, 846720, 851184, 863520, 865536, 868917, 888192, 906696, 921088, 927360, 945760, 971460, 973728, 986880, 993048, 1007440, 1036224, 1063980, 1081920, 1110240, 1112832, 1117179, 1128960, 1133370, 1134912, 1151360, 1158556, 1184256, 1208928, 1217160, 1236480, 1241310, 1276776, 1295280, 1298304, 1324064, 1360044, 1381632, 1391040, 1418640, 1442560, 1448195, 1480320, 1489572, 1511160, 1513216, 1554336, 1589760, 1595970, 1611904, 1622880, 1655080, 1693440, 1700055, 1702368, 1727040, 1731072, 1737834, 1776384, 1813392, 1854720, 1861965, 1891520, 1942920, 1947456, 1973760, 1986096, 2014880, 2072448, 2127960, 2163840, 2220480, 2225664, 2234358, 2266740, 2269824, 2302720, 2317112, 2417856, 2434320, 2482620, 2553552, 2590560, 2596608, 2606751, 2648128, 2720088, 2763264, 2782080, 2837280, 2885120, 2896390, 2960640, 2979144, 3022320, 3026432, 3108672, 3191940, 3223808, 3245760, 3310160, 3386880, 3400110, 3404736, 3454080, 3475668, 3552768, 3626784, 3709440, 3723930, 3783040, 3885840, 3894912, 3972192, 4029760, 4144896, 4255920, 4327680, 4344585, 4440960, 4468716, 4533480, 4539648, 4605440, 4634224, 4835712, 4868640, 4965240, 5107104, 5181120, 5193216, 5213502, 5296256, 5440176, 5564160, 5585895, 5674560, 5792780, 5921280, 5958288, 6044640, 6217344, 6383880, 6447616, 6491520, 6620320, 6800220, 6809472, 6908160, 6951336, 7253568, 7447860, 7566080, 7771680, 7789824, 7820253, 7944384, 8059520, 8289792, 8511840, 8655360, 8689170, 8881920, 8937432, 9066960, 9079296, 9268448, 9671424, 9737280, 9930480, 10214208, 10362240, 10427004, 10592512, 10880352, 11128320, 11171790, 11349120, 11585560, 11916576, 12089280, 12434688, 12767760, 12983040, 13033755, 13240640, 13600440, 13618944, 13816320, 13902672, 14507136, 14895720, 15132160, 15543360, 15579648, 15640506, 15888768, 16119040, 17023680, 17378340, 17763840, 17874864, 18133920, 18536896, 19342848, 19474560, 19860960, 20428416, 20724480, 20854008, 21185024, 21760704, 22343580, 22698240, 23171120, 23833152, 24178560, 24869376, 25535520, 25966080, 26067510, 26481280, 27200880, 27237888, 27805344, 29014272, 29791440, 31086720, 31281012, 31777536, 32238080, 34047360, 34756680, 35749728, 36267840, 37073792, 38949120, 39101265, 39721920, 40856832, 41448960, 41708016, 43521408, 44687160, 45396480, 46342240, 47666304, 48357120, 51071040, 52135020, 52962560, 54401760, 55610688, 58028544, 59582880, 62173440, 62562024, 63555072, 68094720, 69513360, 71499456, 72535680, 74147584, 77898240, 78202530, 79443840, 81713664, 83416032, 87042816, 89374320, 92684480, 95332608, 96714240, 102142080, 104270040, 105925120, 108803520, 111221376, 119165760, 124346880, 125124048, 136189440, 139026720, 142998912, 145071360, 148295168, 156405060, 158887680, 166832064, 174085632, 178748640, 185368960, 190665216, 204284160, 208540080, 217607040, 222442752, 238331520, 250248096, 278053440, 285997824, 290142720, 312810120, 317775360, 333664128, 357497280, 370737920, 408568320, 417080160, 435214080, 444885504, 476663040, 500496192, 556106880, 571995648, 625620240, 667328256, 714994560, 741475840, 834160320, 870428160, 953326080, 1000992384, 1112213760, 1251240480, 1334656512, 1429989120, 1668320640, 2001984768, 2224427520, 2502480960, 2859978240, 3336641280, 4003969536, 5004961920, 6673282560, 10009923840, 20019847680]

約数ペア:

[(1, 20019847680), (2, 10009923840), (3, 6673282560), (4, 5004961920), (5, 4003969536), (6, 3336641280), (7, 2859978240), (8, 2502480960), (9, 2224427520), (10, 2001984768), (12, 1668320640), (14, 1429989120), (15, 1334656512), (16, 1251240480), (18, 1112213760), (20, 1000992384), (21, 953326080), (23, 870428160), (24, 834160320), (27, 741475840), (28, 714994560), (30, 667328256), (32, 625620240), (35, 571995648), (36, 556106880), (40, 500496192), (42, 476663040), (45, 444885504), (46, 435214080), (48, 417080160), (49, 408568320), (54, 370737920), (56, 357497280), (60, 333664128), (63, 317775360), (64, 312810120), (69, 290142720), (70, 285997824), (72, 278053440), (80, 250248096), (84, 238331520), (90, 222442752), (92, 217607040), (96, 208540080), (98, 204284160), (105, 190665216), (108, 185368960), (112, 178748640), (115, 174085632), (120, 166832064), (126, 158887680), (128, 156405060), (135, 148295168), (138, 145071360), (140, 142998912), (144, 139026720), (147, 136189440), (160, 125124048), (161, 124346880), (168, 119165760), (180, 111221376), (184, 108803520), (189, 105925120), (192, 104270040), (196, 102142080), (207, 96714240), (210, 95332608), (216, 92684480), (224, 89374320), (230, 87042816), (240, 83416032), (245, 81713664), (252, 79443840), (256, 78202530), (257, 77898240), (270, 74147584), (276, 72535680), (280, 71499456), (288, 69513360), (294, 68094720), (315, 63555072), (320, 62562024), (322, 62173440), (336, 59582880), (345, 58028544), (360, 55610688), (368, 54401760), (378, 52962560), (384, 52135020), (392, 51071040), (414, 48357120), (420, 47666304), (432, 46342240), (441, 45396480), (448, 44687160), (460, 43521408), (480, 41708016), (483, 41448960), (490, 40856832), (504, 39721920), (512, 39101265), (514, 38949120), (540, 37073792), (552, 36267840), (560, 35749728), (576, 34756680), (588, 34047360), (621, 32238080), (630, 31777536), (640, 31281012), (644, 31086720), (672, 29791440), (690, 29014272), (720, 27805344), (735, 27237888), (736, 27200880), (756, 26481280), (768, 26067510), (771, 25966080), (784, 25535520), (805, 24869376), (828, 24178560), (840, 23833152), (864, 23171120), (882, 22698240), (896, 22343580), (920, 21760704), (945, 21185024), (960, 20854008), (966, 20724480), (980, 20428416), (1008, 19860960), (1028, 19474560), (1035, 19342848), (1080, 18536896), (1104, 18133920), (1120, 17874864), (1127, 17763840), (1152, 17378340), (1176, 17023680), (1242, 16119040), (1260, 15888768), (1280, 15640506), (1285, 15579648), (1288, 15543360), (1323, 15132160), (1344, 14895720), (1380, 14507136), (1440, 13902672), (1449, 13816320), (1470, 13618944), (1472, 13600440), (1512, 13240640), (1536, 13033755), (1542, 12983040), (1568, 12767760), (1610, 12434688), (1656, 12089280), (1680, 11916576), (1728, 11585560), (1764, 11349120), (1792, 11171790), (1799, 11128320), (1840, 10880352), (1890, 10592512), (1920, 10427004), (1932, 10362240), (1960, 10214208), (2016, 9930480), (2056, 9737280), (2070, 9671424), (2160, 9268448), (2205, 9079296), (2208, 9066960), (2240, 8937432), (2254, 8881920), (2304, 8689170), (2313, 8655360), (2352, 8511840), (2415, 8289792), (2484, 8059520), (2520, 7944384), (2560, 7820253), (2570, 7789824), (2576, 7771680), (2646, 7566080), (2688, 7447860), (2760, 7253568), (2880, 6951336), (2898, 6908160), (2940, 6809472), (2944, 6800220), (3024, 6620320), (3084, 6491520), (3105, 6447616), (3136, 6383880), (3220, 6217344), (3312, 6044640), (3360, 5958288), (3381, 5921280), (3456, 5792780), (3528, 5674560), (3584, 5585895), (3598, 5564160), (3680, 5440176), (3780, 5296256), (3840, 5213502), (3855, 5193216), (3864, 5181120), (3920, 5107104), (4032, 4965240), (4112, 4868640), (4140, 4835712), (4320, 4634224), (4347, 4605440), (4410, 4539648), (4416, 4533480), (4480, 4468716), (4508, 4440960), (4608, 4344585), (4626, 4327680), (4704, 4255920), (4830, 4144896), (4968, 4029760), (5040, 3972192), (5140, 3894912), (5152, 3885840), (5292, 3783040), (5376, 3723930), (5397, 3709440), (5520, 3626784), (5635, 3552768), (5760, 3475668), (5796, 3454080), (5880, 3404736), (5888, 3400110), (5911, 3386880), (6048, 3310160), (6168, 3245760), (6210, 3223808), (6272, 3191940), (6440, 3108672), (6615, 3026432), (6624, 3022320), (6720, 2979144), (6762, 2960640), (6912, 2896390), (6939, 2885120), (7056, 2837280), (7196, 2782080), (7245, 2763264), (7360, 2720088), (7560, 2648128), (7680, 2606751), (7710, 2596608), (7728, 2590560), (7840, 2553552), (8064, 2482620), (8224, 2434320), (8280, 2417856), (8640, 2317112), (8694, 2302720), (8820, 2269824), (8832, 2266740), (8960, 2234358), (8995, 2225664), (9016, 2220480), (9252, 2163840), (9408, 2127960), (9660, 2072448), (9936, 2014880), (10080, 1986096), (10143, 1973760), (10280, 1947456), (10304, 1942920), (10584, 1891520), (10752, 1861965), (10794, 1854720), (11040, 1813392), (11270, 1776384), (11520, 1737834), (11565, 1731072), (11592, 1727040), (11760, 1702368), (11776, 1700055), (11822, 1693440), (12096, 1655080), (12336, 1622880), (12420, 1611904), (12544, 1595970), (12593, 1589760), (12880, 1554336), (13230, 1513216), (13248, 1511160), (13440, 1489572), (13524, 1480320), (13824, 1448195), (13878, 1442560), (14112, 1418640), (14392, 1391040), (14490, 1381632), (14720, 1360044), (15120, 1324064), (15420, 1298304), (15456, 1295280), (15680, 1276776), (16128, 1241310), (16191, 1236480), (16448, 1217160), (16560, 1208928), (16905, 1184256), (17280, 1158556), (17388, 1151360), (17640, 1134912), (17664, 1133370), (17733, 1128960), (17920, 1117179), (17990, 1112832), (18032, 1110240), (18504, 1081920), (18816, 1063980), (19320, 1036224), (19872, 1007440), (20160, 993048), (20286, 986880), (20560, 973728), (20608, 971460), (21168, 945760), (21588, 927360), (21735, 921088), (22080, 906696), (22540, 888192), (23040, 868917), (23130, 865536), (23184, 863520), (23520, 851184), (23644, 846720), (24192, 827540), (24672, 811440), (24840, 805952), (25088, 797985), (25186, 794880), (25760, 777168), (26460, 756608), (26496, 755580), (26880, 744786), (26985, 741888), (27048, 740160), (27756, 721280), (28224, 709320), (28784, 695520), (28980, 690816), (29440, 680022), (29555, 677376), (30240, 662032), (30429, 657920), (30840, 649152), (30912, 647640), (31360, 638388), (32256, 620655), (32382, 618240), (32896, 608580), (33120, 604464), (33810, 592128), (34560, 579278), (34695, 577024), (34776, 575680), (35280, 567456), (35328, 566685), (35466, 564480), (35980, 556416), (36064, 555120), (37008, 540960), (37632, 531990), (37779, 529920), (38640, 518112), (39744, 503720), (40320, 496524), (40572, 493440), (41120, 486864), (41216, 485730), (41377, 483840), (42336, 472880), (43176, 463680), (43470, 460544), (44160, 453348), (45080, 444096), (46260, 432768), (46368, 431760), (47040, 425592), (47288, 423360), (48384, 413770), (48573, 412160), (49344, 405720), (49680, 402976), (50372, 397440), (50715, 394752), (51520, 388584), (52920, 378304), (52992, 377790), (53199, 376320), (53760, 372393), (53970, 370944), (54096, 370080), (55512, 360640), (56448, 354660), (57568, 347760), (57960, 345408), (58880, 340011), (59110, 338688), (60480, 331016), (60858, 328960), (61680, 324576), (61824, 323820), (62720, 319194), (62965, 317952), (64764, 309120), (65792, 304290), (66240, 302232), (67620, 296064), (69120, 289639), (69390, 288512), (69552, 287840), (70560, 283728), (70932, 282240), (71960, 278208), (72128, 277560), (74016, 270480), (75264, 265995), (75558, 264960), (77280, 259056), (79488, 251860), (80640, 248262), (80955, 247296), (81144, 246720), (82240, 243432), (82432, 242865), (82754, 241920), (84672, 236440), (86352, 231840), (86940, 230272), (88320, 226674), (88665, 225792), (90160, 222048), (92520, 216384), (92736, 215880), (94080, 212796), (94576, 211680), (96768, 206885), (97146, 206080), (98688, 202860), (99360, 201488), (100744, 198720), (101430, 197376), (103040, 194292), (105840, 189152), (105984, 188895), (106398, 188160), (107940, 185472), (108192, 185040), (111024, 180320), (112896, 177330), (113337, 176640), (115136, 173880), (115920, 172704), (118220, 169344), (120960, 165508), (121716, 164480), (123360, 162288), (123648, 161910), (124131, 161280), (125440, 159597), (125930, 158976), (129528, 154560), (131584, 152145), (132480, 151116), (135240, 148032), (138780, 144256), (139104, 143920), (141120, 141864)]