20455357440

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 1056

約数和(自身を含む): 86251474944

約数和(自身を除く): 65796117504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 31, 32, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 62, 64, 68, 70, 76, 80, 84, 85, 93, 95, 96, 102, 105, 112, 114, 119, 120, 124, 128, 133, 136, 140, 152, 155, 160, 168, 170, 186, 190, 192, 204, 210, 217, 224, 228, 238, 240, 248, 255, 256, 266, 272, 280, 285, 304, 310, 320, 323, 336, 340, 357, 361, 372, 380, 384, 399, 408, 420, 434, 448, 456, 465, 476, 480, 496, 510, 512, 527, 532, 544, 560, 570, 589, 595, 608, 620, 640, 646, 651, 665, 672, 680, 714, 722, 744, 760, 768, 798, 816, 840, 868, 896, 912, 930, 952, 960, 969, 992, 1020, 1024, 1054, 1064, 1083, 1085, 1088, 1120, 1140, 1178, 1190, 1216, 1240, 1280, 1292, 1302, 1330, 1344, 1360, 1428, 1444, 1488, 1520, 1536, 1581, 1596, 1615, 1632, 1680, 1736, 1767, 1785, 1792, 1805, 1824, 1860, 1904, 1920, 1938, 1984, 1995, 2040, 2108, 2128, 2166, 2170, 2176, 2240, 2261, 2280, 2356, 2380, 2432, 2480, 2527, 2560, 2584, 2604, 2635, 2660, 2688, 2720, 2856, 2888, 2945, 2976, 3040, 3072, 3162, 3192, 3230, 3255, 3264, 3360, 3472, 3534, 3570, 3584, 3610, 3648, 3689, 3720, 3808, 3840, 3876, 3968, 3990, 4080, 4123, 4216, 4256, 4332, 4340, 4352, 4480, 4522, 4560, 4712, 4760, 4845, 4864, 4960, 5054, 5120, 5168, 5208, 5270, 5320, 5376, 5415, 5440, 5712, 5776, 5890, 5952, 6080, 6137, 6324, 6384, 6460, 6510, 6528, 6720, 6783, 6944, 7068, 7140, 7168, 7220, 7296, 7378, 7440, 7581, 7616, 7680, 7752, 7905, 7936, 7980, 8160, 8246, 8432, 8512, 8664, 8680, 8704, 8835, 8960, 9044, 9120, 9424, 9520, 9690, 9728, 9920, 10013, 10108, 10336, 10416, 10540, 10640, 10752, 10830, 10880, 11067, 11191, 11305, 11424, 11552, 11780, 11904, 12160, 12274, 12369, 12635, 12648, 12768, 12920, 13020, 13056, 13440, 13566, 13888, 14136, 14280, 14440, 14592, 14756, 14880, 15162, 15232, 15360, 15504, 15810, 15872, 15960, 16320, 16492, 16864, 17024, 17328, 17360, 17408, 17670, 17920, 18088, 18240, 18411, 18445, 18848, 19040, 19380, 19456, 19840, 20026, 20216, 20615, 20672, 20832, 21080, 21280, 21504, 21660, 21760, 22134, 22382, 22610, 22848, 23104, 23560, 23808, 24320, 24548, 24738, 25270, 25296, 25536, 25840, 26040, 26112, 26880, 27132, 27776, 28272, 28560, 28880, 29184, 29512, 29760, 30039, 30324, 30464, 30685, 31008, 31620, 31744, 31920, 32640, 32984, 33573, 33728, 33915, 34048, 34656, 34720, 35340, 35840, 36176, 36480, 36822, 36890, 37696, 37905, 38080, 38760, 39680, 40052, 40432, 41230, 41344, 41664, 42160, 42560, 42959, 43320, 43520, 44268, 44764, 45220, 45696, 46208, 47120, 47616, 48640, 49096, 49476, 50065, 50540, 50592, 51072, 51680, 52080, 52224, 53760, 54264, 55335, 55552, 55955, 56544, 57120, 57760, 58368, 59024, 59520, 60078, 60648, 60928, 61370, 61845, 62016, 63240, 63840, 65280, 65968, 67146, 67456, 67830, 68096, 69312, 69440, 70091, 70680, 72352, 72960, 73644, 73780, 75392, 75810, 76160, 77520, 78337, 79360, 80104, 80864, 82460, 82688, 83328, 84320, 85120, 85918, 86640, 87040, 88536, 89528, 90440, 91392, 92055, 92416, 94240, 95232, 97280, 98192, 98952, 100130, 101080, 101184, 102144, 103360, 104160, 107520, 108528, 110670, 111104, 111910, 113088, 114240, 115520, 118048, 119040, 120156, 121296, 121856, 122740, 123690, 124032, 126480, 127680, 128877, 130560, 131936, 134292, 134912, 135660, 136192, 138624, 138880, 140182, 141360, 144704, 145920, 147288, 147560, 150195, 150784, 151620, 152320, 155040, 156674, 158720, 160208, 161728, 164920, 165376, 166656, 167865, 168640, 170240, 171836, 173280, 177072, 179056, 180880, 182784, 184110, 184832, 188480, 190247, 196384, 197904, 200260, 202160, 202368, 204288, 206720, 208320, 210273, 214795, 217056, 221340, 222208, 223820, 226176, 228480, 231040, 235011, 236096, 238080, 240312, 242592, 245480, 247380, 248064, 252960, 255360, 257754, 261120, 263872, 268584, 269824, 271320, 277248, 277760, 280364, 282720, 289408, 291840, 294576, 295120, 300390, 301568, 303240, 304640, 310080, 313348, 320416, 323456, 329840, 330752, 333312, 335730, 337280, 340480, 343672, 346560, 350455, 354144, 358112, 361760, 365568, 368220, 369664, 376960, 380494, 391685, 392768, 395808, 400520, 404320, 404736, 408576, 413440, 416640, 420546, 429590, 434112, 442680, 447640, 452352, 456960, 462080, 470022, 472192, 476160, 480624, 485184, 490960, 494760, 496128, 505920, 510720, 515508, 527744, 537168, 539648, 542640, 554496, 555520, 560728, 565440, 570741, 578816, 589152, 590240, 600780, 603136, 606480, 609280, 620160, 626696, 640832, 644385, 646912, 659680, 666624, 671460, 674560, 680960, 687344, 693120, 700910, 708288, 716224, 723520, 736440, 753920, 760988, 783370, 785536, 791616, 801040, 808640, 809472, 826880, 833280, 841092, 859180, 868224, 885360, 895280, 904704, 913920, 924160, 940044, 944384, 951235, 961248, 970368, 981920, 989520, 992256, 1011840, 1021440, 1031016, 1051365, 1055488, 1074336, 1085280, 1108992, 1111040, 1121456, 1130880, 1141482, 1157632, 1175055, 1178304, 1180480, 1201560, 1212960, 1240320, 1253392, 1281664, 1288770, 1293824, 1319360, 1331729, 1342920, 1349120, 1374688, 1386240, 1401820, 1416576, 1432448, 1447040, 1472880, 1507840, 1521976, 1566740, 1571072, 1583232, 1602080, 1617280, 1618944, 1653760, 1666560, 1682184, 1718360, 1736448, 1770720, 1790560, 1809408, 1827840, 1848320, 1880088, 1888768, 1902470, 1922496, 1940736, 1963840, 1979040, 2023680, 2042880, 2062032, 2102730, 2110976, 2148672, 2170560, 2242912, 2261760, 2282964, 2315264, 2350110, 2356608, 2360960, 2403120, 2425920, 2480640, 2506784, 2563328, 2577540, 2587648, 2638720, 2663458, 2685840, 2698240, 2749376, 2772480, 2803640, 2833152, 2853705, 2864896, 2894080, 2945760, 3015680, 3043952, 3133480, 3142144, 3166464, 3204160, 3234560, 3333120, 3364368, 3436720, 3472896, 3541440, 3581120, 3760176, 3777536, 3804940, 3844992, 3881472, 3927680, 3958080, 3995187, 4047360, 4124064, 4205460, 4221952, 4297344, 4341120, 4485824, 4523520, 4565928, 4700220, 4713216, 4721920, 4806240, 4851840, 4961280, 5013568, 5126656, 5155080, 5277440, 5326916, 5371680, 5498752, 5544960, 5607280, 5666304, 5707410, 5729792, 5788160, 5891520, 6087904, 6266960, 6284288, 6332928, 6408320, 6469120, 6658645, 6728736, 6873440, 6945792, 7082880, 7162240, 7520352, 7609880, 7689984, 7762944, 7855360, 7916160, 7990374, 8094720, 8248128, 8410920, 8594688, 8682240, 8971648, 9047040, 9131856, 9400440, 9426432, 9443840, 9612480, 9703680, 10027136, 10253312, 10310160, 10554880, 10653832, 10743360, 10997504, 11214560, 11332608, 11414820, 11459584, 11576320, 11783040, 12175808, 12533920, 12665856, 12816640, 12938240, 13317290, 13457472, 13746880, 14165760, 14324480, 15040704, 15219760, 15379968, 15710720, 15832320, 15980748, 16496256, 16821840, 17189376, 17364480, 17943296, 18263712, 18800880, 18852864, 18887680, 19224960, 19407360, 19975935, 20054272, 20620320, 21109760, 21307664, 21486720, 21995008, 22429120, 22829640, 23566080, 24351616, 25067840, 25633280, 26634580, 26914944, 27493760, 28331520, 28648960, 30081408, 30439520, 30759936, 31421440, 31664640, 31961496, 32992512, 33643680, 34378752, 34728960, 35886592, 36527424, 37601760, 38449920, 38814720, 39951870, 40108544, 41240640, 42615328, 42973440, 43990016, 44858240, 45659280, 47132160, 48703232, 50135680, 51266560, 53269160, 53829888, 54987520, 56663040, 57297920, 60162816, 60879040, 63329280, 63922992, 65985024, 67287360, 71773184, 73054848, 75203520, 76899840, 79903740, 80217088, 82481280, 85230656, 85946880, 89716480, 91318560, 94264320, 97406464, 100271360, 106538320, 107659776, 109975040, 120325632, 121758080, 127845984, 131970048, 134574720, 146109696, 150407040, 153799680, 159807480, 164962560, 170461312, 171893760, 179432960, 182637120, 194812928, 200542720, 213076640, 215319552, 219950080, 240651264, 243516160, 255691968, 269149440, 292219392, 300814080, 319614960, 329925120, 340922624, 358865920, 365274240, 401085440, 426153280, 487032320, 511383936, 538298880, 584438784, 601628160, 639229920, 659850240, 681845248, 730548480, 852306560, 974064640, 1022767872, 1076597760, 1203256320, 1278459840, 1363690496, 1461096960, 1704613120, 2045535744, 2556919680, 2922193920, 3409226240, 4091071488, 5113839360, 6818452480, 10227678720, 20455357440]

約数ペア:

[(1, 20455357440), (2, 10227678720), (3, 6818452480), (4, 5113839360), (5, 4091071488), (6, 3409226240), (7, 2922193920), (8, 2556919680), (10, 2045535744), (12, 1704613120), (14, 1461096960), (15, 1363690496), (16, 1278459840), (17, 1203256320), (19, 1076597760), (20, 1022767872), (21, 974064640), (24, 852306560), (28, 730548480), (30, 681845248), (31, 659850240), (32, 639229920), (34, 601628160), (35, 584438784), (38, 538298880), (40, 511383936), (42, 487032320), (48, 426153280), (51, 401085440), (56, 365274240), (57, 358865920), (60, 340922624), (62, 329925120), (64, 319614960), (68, 300814080), (70, 292219392), (76, 269149440), (80, 255691968), (84, 243516160), (85, 240651264), (93, 219950080), (95, 215319552), (96, 213076640), (102, 200542720), (105, 194812928), (112, 182637120), (114, 179432960), (119, 171893760), (120, 170461312), (124, 164962560), (128, 159807480), (133, 153799680), (136, 150407040), (140, 146109696), (152, 134574720), (155, 131970048), (160, 127845984), (168, 121758080), (170, 120325632), (186, 109975040), (190, 107659776), (192, 106538320), (204, 100271360), (210, 97406464), (217, 94264320), (224, 91318560), (228, 89716480), (238, 85946880), (240, 85230656), (248, 82481280), (255, 80217088), (256, 79903740), (266, 76899840), (272, 75203520), (280, 73054848), (285, 71773184), (304, 67287360), (310, 65985024), (320, 63922992), (323, 63329280), (336, 60879040), (340, 60162816), (357, 57297920), (361, 56663040), (372, 54987520), (380, 53829888), (384, 53269160), (399, 51266560), (408, 50135680), (420, 48703232), (434, 47132160), (448, 45659280), (456, 44858240), (465, 43990016), (476, 42973440), (480, 42615328), (496, 41240640), (510, 40108544), (512, 39951870), (527, 38814720), (532, 38449920), (544, 37601760), (560, 36527424), (570, 35886592), (589, 34728960), (595, 34378752), (608, 33643680), (620, 32992512), (640, 31961496), (646, 31664640), (651, 31421440), (665, 30759936), (672, 30439520), (680, 30081408), (714, 28648960), (722, 28331520), (744, 27493760), (760, 26914944), (768, 26634580), (798, 25633280), (816, 25067840), (840, 24351616), (868, 23566080), (896, 22829640), (912, 22429120), (930, 21995008), (952, 21486720), (960, 21307664), (969, 21109760), (992, 20620320), (1020, 20054272), (1024, 19975935), (1054, 19407360), (1064, 19224960), (1083, 18887680), (1085, 18852864), (1088, 18800880), (1120, 18263712), (1140, 17943296), (1178, 17364480), (1190, 17189376), (1216, 16821840), (1240, 16496256), (1280, 15980748), (1292, 15832320), (1302, 15710720), (1330, 15379968), (1344, 15219760), (1360, 15040704), (1428, 14324480), (1444, 14165760), (1488, 13746880), (1520, 13457472), (1536, 13317290), (1581, 12938240), (1596, 12816640), (1615, 12665856), (1632, 12533920), (1680, 12175808), (1736, 11783040), (1767, 11576320), (1785, 11459584), (1792, 11414820), (1805, 11332608), (1824, 11214560), (1860, 10997504), (1904, 10743360), (1920, 10653832), (1938, 10554880), (1984, 10310160), (1995, 10253312), (2040, 10027136), (2108, 9703680), (2128, 9612480), (2166, 9443840), (2170, 9426432), (2176, 9400440), (2240, 9131856), (2261, 9047040), (2280, 8971648), (2356, 8682240), (2380, 8594688), (2432, 8410920), (2480, 8248128), (2527, 8094720), (2560, 7990374), (2584, 7916160), (2604, 7855360), (2635, 7762944), (2660, 7689984), (2688, 7609880), (2720, 7520352), (2856, 7162240), (2888, 7082880), (2945, 6945792), (2976, 6873440), (3040, 6728736), (3072, 6658645), (3162, 6469120), (3192, 6408320), (3230, 6332928), (3255, 6284288), (3264, 6266960), (3360, 6087904), (3472, 5891520), (3534, 5788160), (3570, 5729792), (3584, 5707410), (3610, 5666304), (3648, 5607280), (3689, 5544960), (3720, 5498752), (3808, 5371680), (3840, 5326916), (3876, 5277440), (3968, 5155080), (3990, 5126656), (4080, 5013568), (4123, 4961280), (4216, 4851840), (4256, 4806240), (4332, 4721920), (4340, 4713216), (4352, 4700220), (4480, 4565928), (4522, 4523520), (4560, 4485824), (4712, 4341120), (4760, 4297344), (4845, 4221952), (4864, 4205460), (4960, 4124064), (5054, 4047360), (5120, 3995187), (5168, 3958080), (5208, 3927680), (5270, 3881472), (5320, 3844992), (5376, 3804940), (5415, 3777536), (5440, 3760176), (5712, 3581120), (5776, 3541440), (5890, 3472896), (5952, 3436720), (6080, 3364368), (6137, 3333120), (6324, 3234560), (6384, 3204160), (6460, 3166464), (6510, 3142144), (6528, 3133480), (6720, 3043952), (6783, 3015680), (6944, 2945760), (7068, 2894080), (7140, 2864896), (7168, 2853705), (7220, 2833152), (7296, 2803640), (7378, 2772480), (7440, 2749376), (7581, 2698240), (7616, 2685840), (7680, 2663458), (7752, 2638720), (7905, 2587648), (7936, 2577540), (7980, 2563328), (8160, 2506784), (8246, 2480640), (8432, 2425920), (8512, 2403120), (8664, 2360960), (8680, 2356608), (8704, 2350110), (8835, 2315264), (8960, 2282964), (9044, 2261760), (9120, 2242912), (9424, 2170560), (9520, 2148672), (9690, 2110976), (9728, 2102730), (9920, 2062032), (10013, 2042880), (10108, 2023680), (10336, 1979040), (10416, 1963840), (10540, 1940736), (10640, 1922496), (10752, 1902470), (10830, 1888768), (10880, 1880088), (11067, 1848320), (11191, 1827840), (11305, 1809408), (11424, 1790560), (11552, 1770720), (11780, 1736448), (11904, 1718360), (12160, 1682184), (12274, 1666560), (12369, 1653760), (12635, 1618944), (12648, 1617280), (12768, 1602080), (12920, 1583232), (13020, 1571072), (13056, 1566740), (13440, 1521976), (13566, 1507840), (13888, 1472880), (14136, 1447040), (14280, 1432448), (14440, 1416576), (14592, 1401820), (14756, 1386240), (14880, 1374688), (15162, 1349120), (15232, 1342920), (15360, 1331729), (15504, 1319360), (15810, 1293824), (15872, 1288770), (15960, 1281664), (16320, 1253392), (16492, 1240320), (16864, 1212960), (17024, 1201560), (17328, 1180480), (17360, 1178304), (17408, 1175055), (17670, 1157632), (17920, 1141482), (18088, 1130880), (18240, 1121456), (18411, 1111040), (18445, 1108992), (18848, 1085280), (19040, 1074336), (19380, 1055488), (19456, 1051365), (19840, 1031016), (20026, 1021440), (20216, 1011840), (20615, 992256), (20672, 989520), (20832, 981920), (21080, 970368), (21280, 961248), (21504, 951235), (21660, 944384), (21760, 940044), (22134, 924160), (22382, 913920), (22610, 904704), (22848, 895280), (23104, 885360), (23560, 868224), (23808, 859180), (24320, 841092), (24548, 833280), (24738, 826880), (25270, 809472), (25296, 808640), (25536, 801040), (25840, 791616), (26040, 785536), (26112, 783370), (26880, 760988), (27132, 753920), (27776, 736440), (28272, 723520), (28560, 716224), (28880, 708288), (29184, 700910), (29512, 693120), (29760, 687344), (30039, 680960), (30324, 674560), (30464, 671460), (30685, 666624), (31008, 659680), (31620, 646912), (31744, 644385), (31920, 640832), (32640, 626696), (32984, 620160), (33573, 609280), (33728, 606480), (33915, 603136), (34048, 600780), (34656, 590240), (34720, 589152), (35340, 578816), (35840, 570741), (36176, 565440), (36480, 560728), (36822, 555520), (36890, 554496), (37696, 542640), (37905, 539648), (38080, 537168), (38760, 527744), (39680, 515508), (40052, 510720), (40432, 505920), (41230, 496128), (41344, 494760), (41664, 490960), (42160, 485184), (42560, 480624), (42959, 476160), (43320, 472192), (43520, 470022), (44268, 462080), (44764, 456960), (45220, 452352), (45696, 447640), (46208, 442680), (47120, 434112), (47616, 429590), (48640, 420546), (49096, 416640), (49476, 413440), (50065, 408576), (50540, 404736), (50592, 404320), (51072, 400520), (51680, 395808), (52080, 392768), (52224, 391685), (53760, 380494), (54264, 376960), (55335, 369664), (55552, 368220), (55955, 365568), (56544, 361760), (57120, 358112), (57760, 354144), (58368, 350455), (59024, 346560), (59520, 343672), (60078, 340480), (60648, 337280), (60928, 335730), (61370, 333312), (61845, 330752), (62016, 329840), (63240, 323456), (63840, 320416), (65280, 313348), (65968, 310080), (67146, 304640), (67456, 303240), (67830, 301568), (68096, 300390), (69312, 295120), (69440, 294576), (70091, 291840), (70680, 289408), (72352, 282720), (72960, 280364), (73644, 277760), (73780, 277248), (75392, 271320), (75810, 269824), (76160, 268584), (77520, 263872), (78337, 261120), (79360, 257754), (80104, 255360), (80864, 252960), (82460, 248064), (82688, 247380), (83328, 245480), (84320, 242592), (85120, 240312), (85918, 238080), (86640, 236096), (87040, 235011), (88536, 231040), (89528, 228480), (90440, 226176), (91392, 223820), (92055, 222208), (92416, 221340), (94240, 217056), (95232, 214795), (97280, 210273), (98192, 208320), (98952, 206720), (100130, 204288), (101080, 202368), (101184, 202160), (102144, 200260), (103360, 197904), (104160, 196384), (107520, 190247), (108528, 188480), (110670, 184832), (111104, 184110), (111910, 182784), (113088, 180880), (114240, 179056), (115520, 177072), (118048, 173280), (119040, 171836), (120156, 170240), (121296, 168640), (121856, 167865), (122740, 166656), (123690, 165376), (124032, 164920), (126480, 161728), (127680, 160208), (128877, 158720), (130560, 156674), (131936, 155040), (134292, 152320), (134912, 151620), (135660, 150784), (136192, 150195), (138624, 147560), (138880, 147288), (140182, 145920), (141360, 144704)]