20669214720

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 832

約数和(自身を含む): 87641865216

約数和(自身を除く): 66972650496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 64, 66, 68, 70, 77, 80, 84, 85, 88, 96, 102, 105, 110, 112, 119, 120, 128, 132, 136, 140, 154, 160, 165, 168, 170, 176, 187, 192, 204, 210, 220, 224, 231, 238, 240, 255, 256, 257, 264, 272, 280, 308, 320, 330, 336, 340, 352, 357, 374, 384, 385, 408, 420, 440, 448, 462, 476, 480, 510, 512, 514, 528, 544, 560, 561, 595, 616, 640, 660, 672, 680, 704, 714, 748, 768, 770, 771, 816, 840, 880, 896, 924, 935, 952, 960, 1020, 1024, 1028, 1056, 1088, 1120, 1122, 1155, 1190, 1232, 1280, 1285, 1309, 1320, 1344, 1360, 1408, 1428, 1496, 1536, 1540, 1542, 1632, 1680, 1760, 1785, 1792, 1799, 1848, 1870, 1904, 1920, 2040, 2048, 2056, 2112, 2176, 2240, 2244, 2310, 2380, 2464, 2560, 2570, 2618, 2640, 2688, 2720, 2805, 2816, 2827, 2856, 2992, 3072, 3080, 3084, 3264, 3360, 3520, 3570, 3584, 3598, 3696, 3740, 3808, 3840, 3855, 3927, 4080, 4096, 4112, 4224, 4352, 4369, 4480, 4488, 4620, 4760, 4928, 5120, 5140, 5236, 5280, 5376, 5397, 5440, 5610, 5632, 5654, 5712, 5984, 6144, 6160, 6168, 6528, 6545, 6720, 7040, 7140, 7168, 7196, 7392, 7480, 7616, 7680, 7710, 7854, 8160, 8224, 8448, 8481, 8704, 8738, 8960, 8976, 8995, 9240, 9520, 9856, 10240, 10280, 10472, 10560, 10752, 10794, 10880, 11220, 11264, 11308, 11424, 11968, 12288, 12320, 12336, 13056, 13090, 13107, 13440, 14080, 14135, 14280, 14336, 14392, 14784, 14960, 15232, 15360, 15420, 15708, 16320, 16448, 16896, 16962, 17408, 17476, 17920, 17952, 17990, 18480, 19040, 19635, 19712, 19789, 20480, 20560, 20944, 21120, 21504, 21588, 21760, 21845, 22440, 22528, 22616, 22848, 23936, 24640, 24672, 26112, 26180, 26214, 26880, 26985, 28160, 28270, 28560, 28672, 28784, 29568, 29920, 30464, 30583, 30720, 30840, 31416, 32640, 32896, 33792, 33924, 34816, 34952, 35840, 35904, 35980, 36960, 38080, 39270, 39424, 39578, 41120, 41888, 42240, 42405, 43008, 43176, 43520, 43690, 44880, 45056, 45232, 45696, 47872, 48059, 49280, 49344, 52224, 52360, 52428, 53760, 53970, 56320, 56540, 57120, 57568, 59136, 59367, 59840, 60928, 61166, 61440, 61680, 62832, 65280, 65535, 65792, 67584, 67848, 69632, 69904, 71680, 71808, 71960, 73920, 76160, 78540, 78848, 79156, 82240, 83776, 84480, 84810, 86016, 86352, 87040, 87380, 89760, 90464, 91392, 91749, 95744, 96118, 98560, 98688, 98945, 104448, 104720, 104856, 107520, 107940, 112640, 113080, 114240, 115136, 118272, 118734, 119680, 121856, 122332, 123360, 125664, 130560, 131070, 131584, 135168, 135696, 139808, 143360, 143616, 143920, 144177, 147840, 152320, 152915, 157080, 157696, 158312, 164480, 167552, 168960, 169620, 172704, 174080, 174760, 179520, 180928, 182784, 183498, 191488, 192236, 197120, 197376, 197890, 208896, 209440, 209712, 215040, 215880, 225280, 226160, 228480, 230272, 236544, 237468, 239360, 240295, 243712, 244664, 246720, 251328, 261120, 262140, 263168, 271392, 279616, 287232, 287840, 288354, 295680, 296835, 304640, 305830, 314160, 315392, 316624, 328960, 335104, 336413, 337920, 339240, 345408, 348160, 349520, 359040, 361856, 365568, 366996, 382976, 384472, 394240, 394752, 395780, 418880, 419424, 430080, 431760, 452320, 456960, 458745, 460544, 473088, 474936, 478720, 480590, 487424, 489328, 493440, 502656, 522240, 524280, 526336, 542784, 559232, 574464, 575680, 576708, 591360, 593670, 609280, 611660, 628320, 633248, 657920, 670208, 672826, 675840, 678480, 690816, 699040, 718080, 720885, 723712, 731136, 733992, 765952, 768944, 788480, 789504, 791560, 837760, 838848, 863520, 904640, 913920, 917490, 921088, 946176, 949872, 957440, 961180, 978656, 986880, 1005312, 1009239, 1044480, 1048560, 1052672, 1085568, 1118464, 1148928, 1151360, 1153416, 1182720, 1187340, 1218560, 1223320, 1256640, 1266496, 1315840, 1340416, 1345652, 1356960, 1381632, 1398080, 1436160, 1441770, 1447424, 1462272, 1467984, 1537888, 1576960, 1579008, 1583120, 1675520, 1677696, 1682065, 1727040, 1809280, 1827840, 1834980, 1842176, 1899744, 1914880, 1922360, 1957312, 1973760, 2010624, 2018478, 2097120, 2171136, 2236928, 2297856, 2302720, 2306832, 2365440, 2374680, 2437120, 2446640, 2513280, 2532992, 2631680, 2680832, 2691304, 2713920, 2763264, 2796160, 2872320, 2883540, 2894848, 2935968, 3075776, 3158016, 3166240, 3351040, 3355392, 3364130, 3454080, 3618560, 3655680, 3669960, 3684352, 3799488, 3829760, 3844720, 3914624, 3947520, 4021248, 4036956, 4194240, 4342272, 4473856, 4605440, 4613664, 4730880, 4749360, 4893280, 5026560, 5046195, 5065984, 5263360, 5361664, 5382608, 5427840, 5526528, 5592320, 5744640, 5767080, 5789696, 5871936, 6151552, 6332480, 6702080, 6710784, 6728260, 6908160, 7237120, 7311360, 7339920, 7368704, 7598976, 7689440, 7829248, 7895040, 8042496, 8073912, 8388480, 8684544, 8947712, 9210880, 9227328, 9498720, 9786560, 10053120, 10092390, 10131968, 10765216, 10855680, 11053056, 11184640, 11489280, 11534160, 11579392, 11743872, 12303104, 12664960, 13404160, 13421568, 13456520, 13816320, 14474240, 14679840, 15197952, 15378880, 15658496, 15790080, 16084992, 16147824, 16776960, 17369088, 17895424, 18421760, 18454656, 18997440, 19573120, 20106240, 20184780, 20263936, 21530432, 21711360, 22106112, 22369280, 23068320, 23487744, 24606208, 25329920, 26808320, 26843136, 26913040, 27632640, 28948480, 29359680, 30395904, 30757760, 31316992, 32295648, 33553920, 34738176, 36843520, 36909312, 37994880, 39146240, 40212480, 40369560, 40527872, 43060864, 43422720, 44738560, 46136640, 46975488, 49212416, 50659840, 53686272, 53826080, 55265280, 57896960, 58719360, 60791808, 61515520, 62633984, 64591296, 67107840, 73818624, 75989760, 78292480, 80424960, 80739120, 81055744, 86121728, 86845440, 89477120, 92273280, 93950976, 98424832, 101319680, 107652160, 110530560, 117438720, 121583616, 123031040, 125267968, 129182592, 134215680, 147637248, 151979520, 156584960, 161478240, 172243456, 173690880, 184546560, 187901952, 196849664, 202639360, 215304320, 234877440, 243167232, 246062080, 258365184, 268431360, 295274496, 303959040, 313169920, 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約数ペア:

[(1, 20669214720), (2, 10334607360), (3, 6889738240), (4, 5167303680), (5, 4133842944), (6, 3444869120), (7, 2952744960), (8, 2583651840), (10, 2066921472), (11, 1879019520), (12, 1722434560), (14, 1476372480), (15, 1377947648), (16, 1291825920), (17, 1215836160), (20, 1033460736), (21, 984248320), (22, 939509760), (24, 861217280), (28, 738186240), (30, 688973824), (32, 645912960), (33, 626339840), (34, 607918080), (35, 590548992), (40, 516730368), (42, 492124160), (44, 469754880), (48, 430608640), (51, 405278720), (55, 375803904), (56, 369093120), (60, 344486912), (64, 322956480), (66, 313169920), (68, 303959040), (70, 295274496), (77, 268431360), (80, 258365184), (84, 246062080), (85, 243167232), (88, 234877440), (96, 215304320), (102, 202639360), (105, 196849664), (110, 187901952), (112, 184546560), (119, 173690880), (120, 172243456), (128, 161478240), (132, 156584960), (136, 151979520), (140, 147637248), (154, 134215680), (160, 129182592), (165, 125267968), (168, 123031040), (170, 121583616), (176, 117438720), (187, 110530560), (192, 107652160), (204, 101319680), (210, 98424832), (220, 93950976), (224, 92273280), (231, 89477120), (238, 86845440), (240, 86121728), (255, 81055744), (256, 80739120), (257, 80424960), (264, 78292480), (272, 75989760), (280, 73818624), (308, 67107840), (320, 64591296), (330, 62633984), (336, 61515520), (340, 60791808), (352, 58719360), (357, 57896960), (374, 55265280), (384, 53826080), (385, 53686272), (408, 50659840), (420, 49212416), (440, 46975488), (448, 46136640), (462, 44738560), (476, 43422720), (480, 43060864), (510, 40527872), (512, 40369560), (514, 40212480), (528, 39146240), (544, 37994880), (560, 36909312), (561, 36843520), (595, 34738176), (616, 33553920), (640, 32295648), (660, 31316992), (672, 30757760), (680, 30395904), (704, 29359680), (714, 28948480), (748, 27632640), (768, 26913040), (770, 26843136), (771, 26808320), (816, 25329920), (840, 24606208), (880, 23487744), (896, 23068320), (924, 22369280), (935, 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(52428, 394240), (53760, 384472), (53970, 382976), (56320, 366996), (56540, 365568), (57120, 361856), (57568, 359040), (59136, 349520), (59367, 348160), (59840, 345408), (60928, 339240), (61166, 337920), (61440, 336413), (61680, 335104), (62832, 328960), (65280, 316624), (65535, 315392), (65792, 314160), (67584, 305830), (67848, 304640), (69632, 296835), (69904, 295680), (71680, 288354), (71808, 287840), (71960, 287232), (73920, 279616), (76160, 271392), (78540, 263168), (78848, 262140), (79156, 261120), (82240, 251328), (83776, 246720), (84480, 244664), (84810, 243712), (86016, 240295), (86352, 239360), (87040, 237468), (87380, 236544), (89760, 230272), (90464, 228480), (91392, 226160), (91749, 225280), (95744, 215880), (96118, 215040), (98560, 209712), (98688, 209440), (98945, 208896), (104448, 197890), (104720, 197376), (104856, 197120), (107520, 192236), (107940, 191488), (112640, 183498), (113080, 182784), (114240, 180928), (115136, 179520), (118272, 174760), (118734, 174080), (119680, 172704), (121856, 169620), (122332, 168960), (123360, 167552), (125664, 164480), (130560, 158312), (131070, 157696), (131584, 157080), (135168, 152915), (135696, 152320), (139808, 147840), (143360, 144177), (143616, 143920)]