20117149920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:624

約数の個数: 864

約数和(自身を含む): 87444354816

約数和(自身を除く): 67327204896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 31, 32, 34, 35, 36, 40, 42, 45, 48, 49, 51, 56, 60, 62, 63, 68, 70, 72, 80, 84, 85, 90, 93, 96, 98, 102, 105, 112, 119, 120, 124, 126, 136, 140, 144, 147, 153, 155, 160, 168, 170, 180, 186, 196, 204, 210, 217, 224, 238, 240, 245, 248, 252, 255, 272, 279, 280, 288, 294, 306, 310, 315, 336, 340, 357, 360, 372, 392, 408, 420, 434, 441, 465, 476, 480, 490, 496, 504, 510, 527, 541, 544, 558, 560, 588, 595, 612, 620, 630, 651, 672, 680, 714, 720, 735, 744, 765, 784, 816, 833, 840, 868, 882, 930, 952, 980, 992, 1008, 1020, 1054, 1071, 1082, 1085, 1116, 1120, 1176, 1190, 1224, 1240, 1260, 1302, 1360, 1395, 1428, 1440, 1470, 1488, 1519, 1530, 1568, 1581, 1623, 1632, 1666, 1680, 1736, 1764, 1785, 1860, 1904, 1953, 1960, 2016, 2040, 2108, 2142, 2164, 2170, 2205, 2232, 2352, 2380, 2448, 2480, 2499, 2520, 2604, 2635, 2705, 2720, 2790, 2856, 2940, 2976, 3038, 3060, 3162, 3246, 3255, 3332, 3360, 3472, 3528, 3570, 3689, 3720, 3787, 3808, 3906, 3920, 4080, 4165, 4216, 4284, 4328, 4340, 4410, 4464, 4557, 4704, 4743, 4760, 4869, 4896, 4960, 4998, 5040, 5208, 5270, 5355, 5410, 5580, 5712, 5880, 6076, 6120, 6324, 6492, 6510, 6664, 6944, 7056, 7140, 7378, 7440, 7497, 7574, 7595, 7812, 7840, 7905, 8115, 8160, 8330, 8432, 8568, 8656, 8680, 8820, 8928, 9114, 9197, 9486, 9520, 9738, 9765, 9996, 10080, 10416, 10540, 10710, 10820, 11067, 11160, 11361, 11424, 11760, 12152, 12240, 12495, 12648, 12984, 13020, 13328, 13671, 14112, 14280, 14756, 14880, 14994, 15148, 15190, 15624, 15810, 16230, 16660, 16771, 16864, 17136, 17312, 17360, 17640, 18228, 18394, 18445, 18935, 18972, 19040, 19476, 19530, 19992, 20832, 21080, 21420, 21640, 22134, 22320, 22722, 22785, 23520, 23715, 24304, 24345, 24480, 24990, 25296, 25823, 25968, 26040, 26509, 26656, 27342, 27591, 28560, 29512, 29988, 30296, 30380, 31248, 31620, 32460, 33201, 33320, 33542, 34083, 34272, 34720, 35280, 36456, 36788, 36890, 37485, 37870, 37944, 38952, 39060, 39984, 42160, 42840, 43280, 44268, 44640, 45444, 45570, 45985, 47430, 48608, 48690, 49980, 50313, 50592, 51646, 51936, 52080, 53018, 54684, 55182, 55335, 56805, 57120, 59024, 59976, 60592, 60760, 62496, 63240, 64379, 64920, 66402, 66640, 67084, 68166, 68355, 70560, 72912, 73576, 73780, 74970, 75740, 75888, 77469, 77904, 78120, 79527, 79968, 82773, 83855, 84320, 85680, 86560, 88536, 90888, 91140, 91970, 94860, 97380, 99960, 100626, 103292, 104160, 106036, 109368, 110364, 110670, 113610, 117397, 118048, 119952, 121184, 121520, 126480, 128758, 129115, 129840, 132545, 132804, 133280, 134168, 136332, 136710, 137955, 145824, 147152, 147560, 149940, 150939, 151480, 151776, 154938, 155808, 156240, 159054, 165546, 166005, 167710, 170415, 171360, 177072, 181776, 182280, 183940, 189720, 193137, 194760, 199920, 201252, 206584, 212072, 218736, 220728, 221340, 227220, 232407, 234794, 238581, 239904, 243040, 251565, 252960, 257516, 258230, 259680, 265090, 265608, 268336, 272664, 273420, 275910, 285107, 294304, 295120, 299880, 301878, 302960, 309876, 312480, 318108, 321895, 331092, 332010, 335420, 340830, 352191, 354144, 363552, 364560, 367880, 379440, 386274, 387345, 389520, 397635, 399840, 402504, 413168, 413865, 424144, 437472, 441456, 442680, 450653, 454440, 464814, 469588, 477162, 503130, 515032, 516460, 530180, 531216, 536672, 545328, 546840, 551820, 570214, 579411, 586985, 590240, 599760, 603756, 605920, 619752, 636216, 643790, 662184, 664020, 670840, 681660, 704382, 729120, 735760, 754695, 758880, 772548, 774690, 779040, 795270, 805008, 821779, 826336, 827730, 848288, 855321, 882912, 885360, 901306, 908880, 929628, 939176, 954324, 965685, 1006260, 1030064, 1032920, 1056573, 1060360, 1062432, 1090656, 1093680, 1103640, 1140428, 1158822, 1162035, 1173970, 1192905, 1199520, 1207512, 1239504, 1272432, 1287580, 1324368, 1328040, 1341680, 1351959, 1363320, 1408764, 1425535, 1471520, 1509390, 1545096, 1549380, 1590540, 1610016, 1643558, 1655460, 1710642, 1760955, 1770720, 1802612, 1817760, 1859256, 1878352, 1908648, 1931370, 1995749, 2012520, 2060128, 2065840, 2113146, 2120720, 2187360, 2207280, 2253265, 2280856, 2317644, 2324070, 2347940, 2385810, 2415024, 2465337, 2479008, 2544864, 2565963, 2575160, 2648736, 2656080, 2683360, 2703918, 2726640, 2817528, 2851070, 2897055, 3018780, 3090192, 3098760, 3181080, 3287116, 3310920, 3421284, 3521910, 3605224, 3718512, 3756704, 3817296, 3862740, 3991498, 4025040, 4055877, 4108895, 4131680, 4226292, 4241440, 4276605, 4414560, 4506530, 4561712, 4635288, 4648140, 4695880, 4771620, 4830048, 4930674, 5131926, 5150320, 5282865, 5312160, 5407836, 5453280, 5635056, 5702140, 5794110, 5987247, 6037560, 6180384, 6197520, 6362160, 6574232, 6621840, 6759795, 6842568, 7043820, 7210448, 7396011, 7437024, 7634592, 7725480, 7982996, 8050080, 8111754, 8217790, 8452584, 8553210, 9013060, 9123424, 9270576, 9296280, 9391760, 9543240, 9861348, 9978745, 10263852, 10300640, 10565730, 10815672, 11270112, 11404280, 11588220, 11974494, 12075120, 12326685, 12395040, 12724320, 12829815, 13148464, 13243680, 13519590, 13685136, 13970243, 14087640, 14420896, 14792022, 15450960, 15965992, 16223508, 16435580, 16905168, 17106420, 17961741, 18026120, 18541152, 18592560, 18783520, 19086480, 19722696, 19957490, 20279385, 20527704, 21131460, 21631344, 22808560, 23176440, 23948988, 24150240, 24653370, 25659630, 26296928, 27039180, 27370272, 27940486, 28175280, 29584044, 29936235, 30901920, 31931984, 32447016, 32871160, 33810336, 34212840, 35923482, 36052240, 36980055, 37185120, 38172960, 39445392, 39914980, 40558770, 41055408, 41910729, 42262920, 43262688, 45617120, 46352880, 47897976, 49306740, 51319260, 54078360, 55880972, 56350560, 59168088, 59872470, 63863968, 64894032, 65742320, 68425680, 69851215, 71846964, 72104480, 73960110, 78890784, 79829960, 81117540, 82110816, 83821458, 84525840, 89808705, 92705760, 95795952, 98613480, 102638520, 108156720, 111761944, 118336176, 119744940, 125732187, 129788064, 131484640, 136851360, 139702430, 143693928, 147920220, 159659920, 162235080, 167642916, 169051680, 179617410, 191591904, 197226960, 205277040, 209553645, 216313440, 223523888, 236672352, 239489880, 251464374, 279404860, 287387856, 295840440, 319319840, 324470160, 335285832, 359234820, 394453920, 410554080, 419107290, 447047776, 478979760, 502928748, 558809720, 574775712, 591680880, 628660935, 648940320, 670571664, 718469640, 838214580, 957959520, 1005857496, 1117619440, 1183361760, 1257321870, 1341143328, 1436939280, 1676429160, 2011714992, 2235238880, 2514643740, 2873878560, 3352858320, 4023429984, 5029287480, 6705716640, 10058574960, 20117149920]

約数ペア:

[(1, 20117149920), (2, 10058574960), (3, 6705716640), (4, 5029287480), (5, 4023429984), (6, 3352858320), (7, 2873878560), (8, 2514643740), (9, 2235238880), (10, 2011714992), (12, 1676429160), (14, 1436939280), (15, 1341143328), (16, 1257321870), (17, 1183361760), (18, 1117619440), (20, 1005857496), (21, 957959520), (24, 838214580), (28, 718469640), (30, 670571664), (31, 648940320), (32, 628660935), (34, 591680880), (35, 574775712), (36, 558809720), (40, 502928748), (42, 478979760), (45, 447047776), (48, 419107290), (49, 410554080), (51, 394453920), (56, 359234820), (60, 335285832), (62, 324470160), (63, 319319840), (68, 295840440), (70, 287387856), (72, 279404860), (80, 251464374), (84, 239489880), (85, 236672352), (90, 223523888), (93, 216313440), (96, 209553645), (98, 205277040), (102, 197226960), (105, 191591904), (112, 179617410), (119, 169051680), (120, 167642916), (124, 162235080), (126, 159659920), (136, 147920220), (140, 143693928), (144, 139702430), (147, 136851360), (153, 131484640), (155, 129788064), (160, 125732187), (168, 119744940), (170, 118336176), (180, 111761944), (186, 108156720), (196, 102638520), (204, 98613480), (210, 95795952), (217, 92705760), (224, 89808705), (238, 84525840), (240, 83821458), (245, 82110816), (248, 81117540), (252, 79829960), (255, 78890784), (272, 73960110), (279, 72104480), (280, 71846964), (288, 69851215), (294, 68425680), (306, 65742320), (310, 64894032), (315, 63863968), (336, 59872470), (340, 59168088), (357, 56350560), (360, 55880972), (372, 54078360), (392, 51319260), (408, 49306740), (420, 47897976), (434, 46352880), (441, 45617120), (465, 43262688), (476, 42262920), (480, 41910729), (490, 41055408), (496, 40558770), (504, 39914980), (510, 39445392), (527, 38172960), (541, 37185120), (544, 36980055), (558, 36052240), (560, 35923482), (588, 34212840), (595, 33810336), (612, 32871160), (620, 32447016), (630, 31931984), (651, 30901920), (672, 29936235), (680, 29584044), (714, 28175280), (720, 27940486), (735, 27370272), (744, 27039180), (765, 26296928), (784, 25659630), (816, 24653370), (833, 24150240), (840, 23948988), (868, 23176440), (882, 22808560), (930, 21631344), (952, 21131460), (980, 20527704), (992, 20279385), (1008, 19957490), (1020, 19722696), (1054, 19086480), (1071, 18783520), (1082, 18592560), (1085, 18541152), (1116, 18026120), (1120, 17961741), (1176, 17106420), (1190, 16905168), (1224, 16435580), (1240, 16223508), (1260, 15965992), (1302, 15450960), (1360, 14792022), (1395, 14420896), (1428, 14087640), (1440, 13970243), (1470, 13685136), (1488, 13519590), (1519, 13243680), (1530, 13148464), (1568, 12829815), (1581, 12724320), (1623, 12395040), (1632, 12326685), (1666, 12075120), (1680, 11974494), (1736, 11588220), (1764, 11404280), (1785, 11270112), (1860, 10815672), (1904, 10565730), (1953, 10300640), (1960, 10263852), (2016, 9978745), (2040, 9861348), (2108, 9543240), (2142, 9391760), (2164, 9296280), (2170, 9270576), (2205, 9123424), (2232, 9013060), (2352, 8553210), (2380, 8452584), (2448, 8217790), (2480, 8111754), (2499, 8050080), (2520, 7982996), (2604, 7725480), (2635, 7634592), (2705, 7437024), (2720, 7396011), (2790, 7210448), (2856, 7043820), (2940, 6842568), (2976, 6759795), (3038, 6621840), (3060, 6574232), (3162, 6362160), (3246, 6197520), (3255, 6180384), (3332, 6037560), (3360, 5987247), (3472, 5794110), (3528, 5702140), (3570, 5635056), (3689, 5453280), (3720, 5407836), (3787, 5312160), (3808, 5282865), (3906, 5150320), (3920, 5131926), (4080, 4930674), (4165, 4830048), (4216, 4771620), (4284, 4695880), (4328, 4648140), (4340, 4635288), (4410, 4561712), (4464, 4506530), (4557, 4414560), (4704, 4276605), (4743, 4241440), (4760, 4226292), (4869, 4131680), (4896, 4108895), (4960, 4055877), (4998, 4025040), (5040, 3991498), (5208, 3862740), (5270, 3817296), (5355, 3756704), (5410, 3718512), (5580, 3605224), (5712, 3521910), (5880, 3421284), (6076, 3310920), (6120, 3287116), (6324, 3181080), (6492, 3098760), (6510, 3090192), (6664, 3018780), (6944, 2897055), (7056, 2851070), (7140, 2817528), (7378, 2726640), (7440, 2703918), (7497, 2683360), (7574, 2656080), (7595, 2648736), (7812, 2575160), (7840, 2565963), (7905, 2544864), (8115, 2479008), (8160, 2465337), (8330, 2415024), (8432, 2385810), (8568, 2347940), (8656, 2324070), (8680, 2317644), (8820, 2280856), (8928, 2253265), (9114, 2207280), (9197, 2187360), (9486, 2120720), (9520, 2113146), (9738, 2065840), (9765, 2060128), (9996, 2012520), (10080, 1995749), (10416, 1931370), (10540, 1908648), (10710, 1878352), (10820, 1859256), (11067, 1817760), (11160, 1802612), (11361, 1770720), (11424, 1760955), (11760, 1710642), (12152, 1655460), (12240, 1643558), (12495, 1610016), (12648, 1590540), (12984, 1549380), (13020, 1545096), (13328, 1509390), (13671, 1471520), (14112, 1425535), (14280, 1408764), (14756, 1363320), (14880, 1351959), (14994, 1341680), (15148, 1328040), (15190, 1324368), (15624, 1287580), (15810, 1272432), (16230, 1239504), (16660, 1207512), (16771, 1199520), (16864, 1192905), (17136, 1173970), (17312, 1162035), (17360, 1158822), (17640, 1140428), (18228, 1103640), (18394, 1093680), (18445, 1090656), (18935, 1062432), (18972, 1060360), (19040, 1056573), (19476, 1032920), (19530, 1030064), (19992, 1006260), (20832, 965685), (21080, 954324), (21420, 939176), (21640, 929628), (22134, 908880), (22320, 901306), (22722, 885360), (22785, 882912), (23520, 855321), (23715, 848288), (24304, 827730), (24345, 826336), (24480, 821779), (24990, 805008), (25296, 795270), (25823, 779040), (25968, 774690), (26040, 772548), (26509, 758880), (26656, 754695), (27342, 735760), (27591, 729120), (28560, 704382), (29512, 681660), (29988, 670840), (30296, 664020), (30380, 662184), (31248, 643790), (31620, 636216), (32460, 619752), (33201, 605920), (33320, 603756), (33542, 599760), (34083, 590240), (34272, 586985), (34720, 579411), (35280, 570214), (36456, 551820), (36788, 546840), (36890, 545328), (37485, 536672), (37870, 531216), (37944, 530180), (38952, 516460), (39060, 515032), (39984, 503130), (42160, 477162), (42840, 469588), (43280, 464814), (44268, 454440), (44640, 450653), (45444, 442680), (45570, 441456), (45985, 437472), (47430, 424144), (48608, 413865), (48690, 413168), (49980, 402504), (50313, 399840), (50592, 397635), (51646, 389520), (51936, 387345), (52080, 386274), (53018, 379440), (54684, 367880), (55182, 364560), (55335, 363552), (56805, 354144), (57120, 352191), (59024, 340830), (59976, 335420), (60592, 332010), (60760, 331092), (62496, 321895), (63240, 318108), (64379, 312480), (64920, 309876), (66402, 302960), (66640, 301878), (67084, 299880), (68166, 295120), (68355, 294304), (70560, 285107), (72912, 275910), (73576, 273420), (73780, 272664), (74970, 268336), (75740, 265608), (75888, 265090), (77469, 259680), (77904, 258230), (78120, 257516), (79527, 252960), (79968, 251565), (82773, 243040), (83855, 239904), (84320, 238581), (85680, 234794), (86560, 232407), (88536, 227220), (90888, 221340), (91140, 220728), (91970, 218736), (94860, 212072), (97380, 206584), (99960, 201252), (100626, 199920), (103292, 194760), (104160, 193137), (106036, 189720), (109368, 183940), (110364, 182280), (110670, 181776), (113610, 177072), (117397, 171360), (118048, 170415), (119952, 167710), (121184, 166005), (121520, 165546), (126480, 159054), (128758, 156240), (129115, 155808), (129840, 154938), (132545, 151776), (132804, 151480), (133280, 150939), (134168, 149940), (136332, 147560), (136710, 147152), (137955, 145824)]