20475977760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:414

約数の個数: 864

約数和(自身を含む): 89507763072

約数和(自身を除く): 69031785312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 24, 28, 30, 32, 34, 35, 36, 38, 40, 42, 45, 48, 51, 56, 57, 60, 63, 68, 70, 72, 76, 80, 84, 85, 90, 95, 96, 102, 105, 112, 114, 119, 120, 126, 133, 136, 140, 144, 152, 153, 160, 168, 170, 171, 180, 190, 204, 210, 224, 228, 238, 240, 252, 255, 266, 272, 280, 285, 288, 304, 306, 315, 323, 331, 336, 340, 342, 357, 360, 361, 380, 399, 408, 420, 456, 476, 480, 504, 510, 532, 544, 560, 570, 595, 608, 612, 630, 646, 662, 665, 672, 680, 684, 714, 720, 722, 760, 765, 798, 816, 840, 855, 912, 952, 969, 993, 1008, 1020, 1064, 1071, 1083, 1120, 1140, 1190, 1197, 1224, 1260, 1292, 1324, 1330, 1360, 1368, 1428, 1440, 1444, 1520, 1530, 1596, 1615, 1632, 1655, 1680, 1710, 1785, 1805, 1824, 1904, 1938, 1986, 1995, 2016, 2040, 2128, 2142, 2166, 2261, 2280, 2317, 2380, 2394, 2448, 2520, 2527, 2584, 2648, 2660, 2720, 2736, 2856, 2888, 2907, 2979, 3040, 3060, 3192, 3230, 3249, 3310, 3360, 3420, 3570, 3610, 3808, 3876, 3972, 3990, 4080, 4256, 4284, 4332, 4522, 4560, 4634, 4760, 4788, 4845, 4896, 4965, 5040, 5054, 5168, 5296, 5320, 5355, 5415, 5472, 5627, 5712, 5776, 5814, 5958, 5985, 6120, 6137, 6289, 6384, 6460, 6498, 6620, 6783, 6840, 6951, 7140, 7220, 7581, 7752, 7944, 7980, 8160, 8568, 8664, 9044, 9120, 9268, 9520, 9576, 9690, 9930, 10080, 10108, 10336, 10592, 10640, 10710, 10830, 11254, 11305, 11424, 11552, 11585, 11628, 11916, 11970, 12240, 12274, 12578, 12635, 12768, 12920, 12996, 13240, 13566, 13680, 13902, 14280, 14440, 14535, 14895, 15162, 15504, 15888, 15960, 16245, 16881, 17136, 17328, 18088, 18411, 18536, 18867, 19040, 19152, 19380, 19860, 20216, 20349, 20853, 21280, 21420, 21660, 22508, 22610, 22743, 23170, 23256, 23832, 23940, 24480, 24548, 25156, 25270, 25840, 25992, 26480, 27132, 27360, 27804, 28135, 28560, 28880, 29070, 29790, 30324, 30685, 31008, 31445, 31776, 31920, 32490, 33762, 33915, 34272, 34656, 34755, 36176, 36822, 37072, 37734, 37905, 38304, 38760, 39389, 39720, 40432, 40698, 41706, 42840, 42959, 43320, 44023, 45016, 45220, 45486, 46340, 46512, 47664, 47880, 49096, 50312, 50540, 50643, 51680, 51984, 52960, 54264, 55233, 55608, 56270, 56601, 57120, 57760, 58140, 59580, 60648, 61370, 62890, 63840, 64980, 67524, 67830, 69510, 72352, 73644, 74144, 75468, 75810, 77520, 78778, 79440, 80864, 81396, 83412, 84405, 85680, 85918, 86640, 88046, 90032, 90440, 90972, 92055, 92680, 93024, 94335, 95328, 95760, 98192, 100624, 101080, 101286, 101745, 103968, 104265, 106913, 108528, 110466, 111216, 112540, 113202, 113715, 116280, 118167, 119160, 119491, 121296, 122740, 125780, 128877, 129960, 132069, 135048, 135660, 139020, 147288, 150936, 151620, 155040, 157556, 158880, 162792, 166824, 168810, 171360, 171836, 173280, 176092, 180064, 180880, 181944, 184110, 185360, 188670, 191520, 196384, 196945, 201248, 202160, 202572, 203490, 208530, 213826, 214795, 217056, 220115, 220932, 222432, 225080, 226404, 227430, 232560, 236334, 238320, 238982, 242592, 245480, 251560, 253215, 257754, 259920, 264138, 270096, 271320, 276165, 278040, 283005, 294576, 301872, 303240, 315112, 320739, 325584, 333648, 337620, 343672, 352184, 354501, 358473, 361760, 363888, 368220, 370720, 377340, 386631, 393890, 396207, 404320, 405144, 406980, 417060, 427652, 429590, 440230, 441864, 450160, 452808, 454860, 465120, 472668, 476640, 477964, 490960, 503120, 506430, 515508, 519840, 528276, 534565, 540192, 542640, 552330, 556080, 566010, 589152, 590835, 597455, 603744, 606480, 630224, 641478, 644385, 651168, 660345, 667296, 675240, 687344, 704368, 709002, 716946, 727776, 736440, 748391, 754680, 773262, 787780, 792414, 810288, 813960, 834120, 836437, 855304, 859180, 880460, 883728, 900320, 905616, 909720, 945336, 955928, 962217, 981920, 1006240, 1012860, 1031016, 1056552, 1069130, 1075419, 1085280, 1104660, 1112160, 1132020, 1181670, 1194910, 1212960, 1260448, 1282956, 1288770, 1320690, 1350480, 1374688, 1408736, 1418004, 1433892, 1472880, 1496782, 1509360, 1546524, 1575560, 1584828, 1603695, 1620576, 1627920, 1668240, 1672874, 1710608, 1718360, 1760920, 1767456, 1772505, 1792365, 1811232, 1819440, 1890672, 1911856, 1924434, 1933155, 1981035, 2025720, 2031347, 2062032, 2113104, 2138260, 2150838, 2209320, 2245173, 2264040, 2363340, 2389820, 2509311, 2565912, 2577540, 2641380, 2700960, 2836008, 2867784, 2945760, 2993564, 3018720, 3093048, 3151120, 3169656, 3207390, 3255840, 3336480, 3345748, 3421216, 3436720, 3521840, 3545010, 3584730, 3638880, 3741955, 3781344, 3823712, 3848868, 3866310, 3962070, 4051440, 4062694, 4124064, 4182185, 4226208, 4276520, 4301676, 4418640, 4490346, 4528080, 4726680, 4779640, 4811085, 5018622, 5131824, 5155080, 5282760, 5377095, 5672016, 5735568, 5987128, 6094041, 6186096, 6302240, 6339312, 6414780, 6691496, 6735519, 6873440, 7043680, 7090020, 7169460, 7483910, 7527933, 7697736, 7732620, 7924140, 8102880, 8125388, 8364370, 8553040, 8603352, 8837280, 8980692, 9056160, 9453360, 9559280, 9622170, 10037244, 10156735, 10263648, 10310160, 10565520, 10754190, 11225865, 11344032, 11471136, 11974256, 12188082, 12372192, 12546555, 12678624, 12829560, 13382992, 13471038, 14180040, 14219429, 14338920, 14967820, 15055866, 15395472, 15465240, 15848280, 16250776, 16728740, 17106080, 17206704, 17961384, 18282123, 18906720, 19118560, 19244340, 20074488, 20313470, 20620320, 21131040, 21508380, 22451730, 23948512, 24376164, 25093110, 25659120, 26765984, 26942076, 28360080, 28438858, 28677840, 29935640, 30111732, 30470205, 30790944, 30930480, 31696560, 32501552, 33457480, 33677595, 34413408, 35922768, 36564246, 37639665, 38488680, 40148976, 40626940, 42658287, 43016760, 44903460, 48752328, 50186220, 51318240, 53884152, 56720160, 56877716, 57355680, 59871280, 60223464, 60940410, 61860960, 63393120, 65003104, 66914960, 67355190, 71097145, 71845536, 73128492, 75279330, 76977360, 80297952, 81253880, 85316574, 86033520, 89806920, 91410615, 97504656, 100372440, 107768304, 113755432, 119742560, 120446928, 121880820, 127974861, 133829920, 134710380, 142194290, 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約数ペア:

[(1, 20475977760), (2, 10237988880), (3, 6825325920), (4, 5118994440), (5, 4095195552), (6, 3412662960), (7, 2925139680), (8, 2559497220), (9, 2275108640), (10, 2047597776), (12, 1706331480), (14, 1462569840), (15, 1365065184), (16, 1279748610), (17, 1204469280), (18, 1137554320), (19, 1077683040), (20, 1023798888), (21, 975046560), (24, 853165740), (28, 731284920), (30, 682532592), (32, 639874305), (34, 602234640), (35, 585027936), (36, 568777160), (38, 538841520), (40, 511899444), (42, 487523280), (45, 455021728), (48, 426582870), (51, 401489760), (56, 365642460), (57, 359227680), (60, 341266296), (63, 325015520), (68, 301117320), (70, 292513968), (72, 284388580), (76, 269420760), (80, 255949722), (84, 243761640), (85, 240893856), (90, 227510864), (95, 215536608), (96, 213291435), (102, 200744880), (105, 195009312), (112, 182821230), (114, 179613840), (119, 172067040), (120, 170633148), (126, 162507760), (133, 153954720), (136, 150558660), (140, 146256984), (144, 142194290), (152, 134710380), (153, 133829920), (160, 127974861), (168, 121880820), (170, 120446928), (171, 119742560), (180, 113755432), (190, 107768304), (204, 100372440), (210, 97504656), (224, 91410615), (228, 89806920), (238, 86033520), (240, 85316574), (252, 81253880), (255, 80297952), (266, 76977360), (272, 75279330), (280, 73128492), (285, 71845536), (288, 71097145), (304, 67355190), (306, 66914960), (315, 65003104), (323, 63393120), (331, 61860960), (336, 60940410), (340, 60223464), (342, 59871280), (357, 57355680), (360, 56877716), (361, 56720160), (380, 53884152), (399, 51318240), (408, 50186220), (420, 48752328), (456, 44903460), (476, 43016760), (480, 42658287), (504, 40626940), (510, 40148976), (532, 38488680), (544, 37639665), (560, 36564246), (570, 35922768), (595, 34413408), (608, 33677595), (612, 33457480), (630, 32501552), (646, 31696560), (662, 30930480), (665, 30790944), (672, 30470205), (680, 30111732), (684, 29935640), (714, 28677840), (720, 28438858), (722, 28360080), (760, 26942076), (765, 26765984), (798, 25659120), (816, 25093110), (840, 24376164), (855, 23948512), (912, 22451730), (952, 21508380), (969, 21131040), (993, 20620320), (1008, 20313470), (1020, 20074488), (1064, 19244340), (1071, 19118560), (1083, 18906720), (1120, 18282123), (1140, 17961384), (1190, 17206704), (1197, 17106080), (1224, 16728740), (1260, 16250776), (1292, 15848280), (1324, 15465240), (1330, 15395472), (1360, 15055866), (1368, 14967820), (1428, 14338920), (1440, 14219429), (1444, 14180040), (1520, 13471038), (1530, 13382992), (1596, 12829560), (1615, 12678624), (1632, 12546555), (1655, 12372192), (1680, 12188082), (1710, 11974256), (1785, 11471136), (1805, 11344032), (1824, 11225865), (1904, 10754190), (1938, 10565520), (1986, 10310160), (1995, 10263648), (2016, 10156735), (2040, 10037244), (2128, 9622170), (2142, 9559280), (2166, 9453360), (2261, 9056160), (2280, 8980692), (2317, 8837280), (2380, 8603352), (2394, 8553040), (2448, 8364370), (2520, 8125388), (2527, 8102880), (2584, 7924140), (2648, 7732620), (2660, 7697736), (2720, 7527933), (2736, 7483910), (2856, 7169460), (2888, 7090020), (2907, 7043680), (2979, 6873440), (3040, 6735519), (3060, 6691496), (3192, 6414780), (3230, 6339312), (3249, 6302240), (3310, 6186096), (3360, 6094041), (3420, 5987128), (3570, 5735568), (3610, 5672016), (3808, 5377095), (3876, 5282760), (3972, 5155080), (3990, 5131824), (4080, 5018622), (4256, 4811085), (4284, 4779640), (4332, 4726680), (4522, 4528080), (4560, 4490346), (4634, 4418640), (4760, 4301676), (4788, 4276520), (4845, 4226208), (4896, 4182185), (4965, 4124064), (5040, 4062694), (5054, 4051440), (5168, 3962070), (5296, 3866310), (5320, 3848868), (5355, 3823712), (5415, 3781344), (5472, 3741955), (5627, 3638880), (5712, 3584730), (5776, 3545010), (5814, 3521840), (5958, 3436720), (5985, 3421216), (6120, 3345748), (6137, 3336480), (6289, 3255840), (6384, 3207390), (6460, 3169656), (6498, 3151120), (6620, 3093048), (6783, 3018720), (6840, 2993564), (6951, 2945760), (7140, 2867784), (7220, 2836008), (7581, 2700960), (7752, 2641380), (7944, 2577540), (7980, 2565912), (8160, 2509311), (8568, 2389820), (8664, 2363340), (9044, 2264040), (9120, 2245173), (9268, 2209320), (9520, 2150838), (9576, 2138260), (9690, 2113104), (9930, 2062032), (10080, 2031347), (10108, 2025720), (10336, 1981035), (10592, 1933155), (10640, 1924434), (10710, 1911856), (10830, 1890672), (11254, 1819440), (11305, 1811232), (11424, 1792365), (11552, 1772505), (11585, 1767456), (11628, 1760920), (11916, 1718360), (11970, 1710608), (12240, 1672874), (12274, 1668240), (12578, 1627920), (12635, 1620576), (12768, 1603695), (12920, 1584828), (12996, 1575560), (13240, 1546524), (13566, 1509360), (13680, 1496782), (13902, 1472880), (14280, 1433892), (14440, 1418004), (14535, 1408736), (14895, 1374688), (15162, 1350480), (15504, 1320690), (15888, 1288770), (15960, 1282956), (16245, 1260448), (16881, 1212960), (17136, 1194910), (17328, 1181670), (18088, 1132020), (18411, 1112160), (18536, 1104660), (18867, 1085280), (19040, 1075419), (19152, 1069130), (19380, 1056552), (19860, 1031016), (20216, 1012860), (20349, 1006240), (20853, 981920), (21280, 962217), (21420, 955928), (21660, 945336), (22508, 909720), (22610, 905616), (22743, 900320), (23170, 883728), (23256, 880460), (23832, 859180), (23940, 855304), (24480, 836437), (24548, 834120), (25156, 813960), (25270, 810288), (25840, 792414), (25992, 787780), (26480, 773262), (27132, 754680), (27360, 748391), (27804, 736440), (28135, 727776), (28560, 716946), (28880, 709002), (29070, 704368), (29790, 687344), (30324, 675240), (30685, 667296), (31008, 660345), (31445, 651168), (31776, 644385), (31920, 641478), (32490, 630224), (33762, 606480), (33915, 603744), (34272, 597455), (34656, 590835), (34755, 589152), (36176, 566010), (36822, 556080), (37072, 552330), (37734, 542640), (37905, 540192), (38304, 534565), (38760, 528276), (39389, 519840), (39720, 515508), (40432, 506430), (40698, 503120), (41706, 490960), (42840, 477964), (42959, 476640), (43320, 472668), (44023, 465120), (45016, 454860), (45220, 452808), (45486, 450160), (46340, 441864), (46512, 440230), (47664, 429590), (47880, 427652), (49096, 417060), (50312, 406980), (50540, 405144), (50643, 404320), (51680, 396207), (51984, 393890), (52960, 386631), (54264, 377340), (55233, 370720), (55608, 368220), (56270, 363888), (56601, 361760), (57120, 358473), (57760, 354501), (58140, 352184), (59580, 343672), (60648, 337620), (61370, 333648), (62890, 325584), (63840, 320739), (64980, 315112), (67524, 303240), (67830, 301872), (69510, 294576), (72352, 283005), (73644, 278040), (74144, 276165), (75468, 271320), (75810, 270096), (77520, 264138), (78778, 259920), (79440, 257754), (80864, 253215), (81396, 251560), (83412, 245480), (84405, 242592), (85680, 238982), (85918, 238320), (86640, 236334), (88046, 232560), (90032, 227430), (90440, 226404), (90972, 225080), (92055, 222432), (92680, 220932), (93024, 220115), (94335, 217056), (95328, 214795), (95760, 213826), (98192, 208530), (100624, 203490), (101080, 202572), (101286, 202160), (101745, 201248), (103968, 196945), (104265, 196384), (106913, 191520), (108528, 188670), (110466, 185360), (111216, 184110), (112540, 181944), (113202, 180880), (113715, 180064), (116280, 176092), (118167, 173280), (119160, 171836), (119491, 171360), (121296, 168810), (122740, 166824), (125780, 162792), (128877, 158880), (129960, 157556), (132069, 155040), (135048, 151620), (135660, 150936), (139020, 147288)]