20901314560

素因数分解:

$2^{14}\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 360

約数和(自身を含む): 60245144064

約数和(自身を除く): 39343829504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 127, 128, 140, 160, 164, 196, 205, 224, 245, 254, 256, 280, 287, 320, 328, 392, 410, 448, 490, 508, 512, 560, 574, 635, 640, 656, 784, 820, 889, 896, 980, 1016, 1024, 1120, 1148, 1270, 1280, 1312, 1435, 1568, 1640, 1778, 1792, 1960, 2009, 2032, 2048, 2240, 2296, 2540, 2560, 2624, 2870, 3136, 3280, 3556, 3584, 3920, 4018, 4064, 4096, 4445, 4480, 4592, 5080, 5120, 5207, 5248, 5740, 6223, 6272, 6560, 7112, 7168, 7840, 8036, 8128, 8192, 8890, 8960, 9184, 10045, 10160, 10240, 10414, 10496, 11480, 12446, 12544, 13120, 14224, 14336, 15680, 16072, 16256, 16384, 17780, 17920, 18368, 20090, 20320, 20480, 20828, 20992, 22960, 24892, 25088, 26035, 26240, 28448, 28672, 31115, 31360, 32144, 32512, 35560, 35840, 36449, 36736, 40180, 40640, 40960, 41656, 41984, 45920, 49784, 50176, 52070, 52480, 56896, 57344, 62230, 62720, 64288, 65024, 71120, 71680, 72898, 73472, 80360, 81280, 81920, 83312, 83968, 91840, 99568, 100352, 104140, 104960, 113792, 114688, 124460, 125440, 128576, 130048, 142240, 143360, 145796, 146944, 160720, 162560, 166624, 167936, 182245, 183680, 199136, 200704, 208280, 209920, 227584, 248920, 250880, 255143, 257152, 260096, 284480, 286720, 291592, 293888, 321440, 325120, 333248, 335872, 364490, 367360, 398272, 401408, 416560, 419840, 455168, 497840, 501760, 510286, 514304, 520192, 568960, 573440, 583184, 587776, 642880, 650240, 666496, 671744, 728980, 734720, 796544, 802816, 833120, 839680, 910336, 995680, 1003520, 1020572, 1028608, 1040384, 1137920, 1166368, 1175552, 1275715, 1285760, 1300480, 1332992, 1457960, 1469440, 1593088, 1666240, 1679360, 1820672, 1991360, 2007040, 2041144, 2057216, 2080768, 2275840, 2332736, 2351104, 2551430, 2571520, 2600960, 2665984, 2915920, 2938880, 3186176, 3332480, 3358720, 3641344, 3982720, 4014080, 4082288, 4114432, 4551680, 4665472, 4702208, 5102860, 5143040, 5201920, 5331968, 5831840, 5877760, 6372352, 6664960, 7282688, 7965440, 8164576, 8228864, 9103360, 9330944, 10205720, 10286080, 10403840, 10663936, 11663680, 11755520, 12744704, 13329920, 14565376, 15930880, 16329152, 16457728, 18206720, 18661888, 20411440, 20572160, 21327872, 23327360, 23511040, 25489408, 26659840, 31861760, 32658304, 32915456, 36413440, 37323776, 40822880, 41144320, 42655744, 46654720, 50978816, 53319680, 63723520, 65316608, 72826880, 74647552, 81645760, 82288640, 85311488, 93309440, 101957632, 106639360, 127447040, 130633216, 149295104, 163291520, 164577280, 186618880, 213278720, 254894080, 261266432, 298590208, 326583040, 373237760, 426557440, 509788160, 522532864, 597180416, 653166080, 746475520, 1045065728, 1306332160, 1492951040, 2090131456, 2612664320, 2985902080, 4180262912, 5225328640, 10450657280, 20901314560]

約数ペア:

[(1, 20901314560), (2, 10450657280), (4, 5225328640), (5, 4180262912), (7, 2985902080), (8, 2612664320), (10, 2090131456), (14, 1492951040), (16, 1306332160), (20, 1045065728), (28, 746475520), (32, 653166080), (35, 597180416), (40, 522532864), (41, 509788160), (49, 426557440), (56, 373237760), (64, 326583040), (70, 298590208), (80, 261266432), (82, 254894080), (98, 213278720), (112, 186618880), (127, 164577280), (128, 163291520), (140, 149295104), (160, 130633216), (164, 127447040), (196, 106639360), (205, 101957632), (224, 93309440), (245, 85311488), (254, 82288640), (256, 81645760), (280, 74647552), (287, 72826880), (320, 65316608), (328, 63723520), (392, 53319680), (410, 50978816), (448, 46654720), (490, 42655744), (508, 41144320), (512, 40822880), (560, 37323776), (574, 36413440), (635, 32915456), (640, 32658304), (656, 31861760), (784, 26659840), (820, 25489408), (889, 23511040), (896, 23327360), (980, 21327872), (1016, 20572160), (1024, 20411440), (1120, 18661888), (1148, 18206720), (1270, 16457728), (1280, 16329152), (1312, 15930880), (1435, 14565376), (1568, 13329920), (1640, 12744704), (1778, 11755520), (1792, 11663680), (1960, 10663936), (2009, 10403840), (2032, 10286080), (2048, 10205720), (2240, 9330944), (2296, 9103360), (2540, 8228864), (2560, 8164576), (2624, 7965440), (2870, 7282688), (3136, 6664960), (3280, 6372352), (3556, 5877760), (3584, 5831840), (3920, 5331968), (4018, 5201920), (4064, 5143040), (4096, 5102860), (4445, 4702208), (4480, 4665472), (4592, 4551680), (5080, 4114432), (5120, 4082288), (5207, 4014080), (5248, 3982720), (5740, 3641344), (6223, 3358720), (6272, 3332480), (6560, 3186176), (7112, 2938880), (7168, 2915920), (7840, 2665984), (8036, 2600960), (8128, 2571520), (8192, 2551430), (8890, 2351104), (8960, 2332736), (9184, 2275840), (10045, 2080768), (10160, 2057216), (10240, 2041144), (10414, 2007040), (10496, 1991360), (11480, 1820672), (12446, 1679360), (12544, 1666240), (13120, 1593088), (14224, 1469440), (14336, 1457960), (15680, 1332992), (16072, 1300480), (16256, 1285760), (16384, 1275715), (17780, 1175552), (17920, 1166368), (18368, 1137920), (20090, 1040384), (20320, 1028608), (20480, 1020572), (20828, 1003520), (20992, 995680), (22960, 910336), (24892, 839680), (25088, 833120), (26035, 802816), (26240, 796544), (28448, 734720), (28672, 728980), (31115, 671744), (31360, 666496), (32144, 650240), (32512, 642880), (35560, 587776), (35840, 583184), (36449, 573440), (36736, 568960), (40180, 520192), (40640, 514304), (40960, 510286), (41656, 501760), (41984, 497840), (45920, 455168), (49784, 419840), (50176, 416560), (52070, 401408), (52480, 398272), (56896, 367360), (57344, 364490), (62230, 335872), (62720, 333248), (64288, 325120), (65024, 321440), (71120, 293888), (71680, 291592), (72898, 286720), (73472, 284480), (80360, 260096), (81280, 257152), (81920, 255143), (83312, 250880), (83968, 248920), (91840, 227584), (99568, 209920), (100352, 208280), (104140, 200704), (104960, 199136), (113792, 183680), (114688, 182245), (124460, 167936), (125440, 166624), (128576, 162560), (130048, 160720), (142240, 146944), (143360, 145796)]