20989928960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8245

約数の個数: 320

約数和(自身を含む): 67579674624

約数和(自身を除く): 46589745664

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 256, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 512, 520, 560, 572, 616, 640, 704, 715, 728, 770, 832, 880, 896, 910, 1001, 1040, 1120, 1144, 1232, 1280, 1408, 1430, 1456, 1540, 1664, 1760, 1792, 1820, 2002, 2080, 2240, 2288, 2464, 2560, 2816, 2860, 2912, 3080, 3328, 3520, 3584, 3640, 4004, 4160, 4480, 4576, 4928, 5005, 5632, 5720, 5824, 6160, 6656, 7040, 7280, 8008, 8191, 8320, 8960, 9152, 9856, 10010, 11440, 11648, 12320, 14080, 14560, 16016, 16382, 16640, 17920, 18304, 19712, 20020, 22880, 23296, 24640, 28160, 29120, 32032, 32764, 33280, 36608, 39424, 40040, 40955, 45760, 46592, 49280, 57337, 58240, 64064, 65528, 73216, 80080, 81910, 90101, 91520, 98560, 106483, 114674, 116480, 128128, 131056, 160160, 163820, 180202, 183040, 197120, 212966, 229348, 232960, 256256, 262112, 286685, 320320, 327640, 360404, 366080, 425932, 450505, 458696, 512512, 524224, 532415, 573370, 630707, 640640, 655280, 720808, 745381, 851864, 901010, 917392, 1048448, 1064830, 1146740, 1171313, 1261414, 1281280, 1310560, 1441616, 1490762, 1703728, 1802020, 1834784, 2096896, 2129660, 2293480, 2342626, 2522828, 2562560, 2621120, 2883232, 2981524, 3153535, 3407456, 3604040, 3669568, 3726905, 4193792, 4259320, 4586960, 4685252, 5045656, 5242240, 5766464, 5856565, 5963048, 6307070, 6814912, 7208080, 7339136, 7453810, 8199191, 8518640, 9173920, 9370504, 10091312, 10484480, 11532928, 11713130, 11926096, 12614140, 13629824, 14416160, 14678272, 14907620, 16398382, 17037280, 18347840, 18741008, 20182624, 20968960, 23065856, 23426260, 23852192, 25228280, 27259648, 28832320, 29356544, 29815240, 32796764, 34074560, 36695680, 37482016, 40365248, 40995955, 46131712, 46852520, 47704384, 50456560, 54519296, 57664640, 59630480, 65593528, 68149120, 73391360, 74964032, 80730496, 81991910, 93705040, 95408768, 100913120, 115329280, 119260960, 131187056, 136298240, 146782720, 149928064, 161460992, 163983820, 187410080, 190817536, 201826240, 230658560, 238521920, 262374112, 272596480, 299856128, 322921984, 327967640, 374820160, 381635072, 403652480, 477043840, 524748224, 599712256, 655935280, 749640320, 807304960, 954087680, 1049496448, 1311870560, 1499280640, 1614609920, 1908175360, 2098992896, 2623741120, 2998561280, 4197985792, 5247482240, 10494964480, 20989928960]

約数ペア:

[(1, 20989928960), (2, 10494964480), (4, 5247482240), (5, 4197985792), (7, 2998561280), (8, 2623741120), (10, 2098992896), (11, 1908175360), (13, 1614609920), (14, 1499280640), (16, 1311870560), (20, 1049496448), (22, 954087680), (26, 807304960), (28, 749640320), (32, 655935280), (35, 599712256), (40, 524748224), (44, 477043840), (52, 403652480), (55, 381635072), (56, 374820160), (64, 327967640), (65, 322921984), (70, 299856128), (77, 272596480), (80, 262374112), (88, 238521920), (91, 230658560), (104, 201826240), (110, 190817536), (112, 187410080), (128, 163983820), (130, 161460992), (140, 149928064), (143, 146782720), (154, 136298240), (160, 131187056), (176, 119260960), (182, 115329280), (208, 100913120), (220, 95408768), (224, 93705040), (256, 81991910), (260, 80730496), (280, 74964032), (286, 73391360), (308, 68149120), (320, 65593528), (352, 59630480), (364, 57664640), (385, 54519296), (416, 50456560), (440, 47704384), (448, 46852520), (455, 46131712), (512, 40995955), (520, 40365248), (560, 37482016), (572, 36695680), (616, 34074560), (640, 32796764), (704, 29815240), (715, 29356544), (728, 28832320), (770, 27259648), (832, 25228280), (880, 23852192), (896, 23426260), (910, 23065856), (1001, 20968960), (1040, 20182624), (1120, 18741008), (1144, 18347840), (1232, 17037280), (1280, 16398382), (1408, 14907620), (1430, 14678272), (1456, 14416160), (1540, 13629824), (1664, 12614140), (1760, 11926096), (1792, 11713130), (1820, 11532928), (2002, 10484480), (2080, 10091312), (2240, 9370504), (2288, 9173920), (2464, 8518640), (2560, 8199191), (2816, 7453810), (2860, 7339136), (2912, 7208080), (3080, 6814912), (3328, 6307070), (3520, 5963048), (3584, 5856565), (3640, 5766464), (4004, 5242240), (4160, 5045656), (4480, 4685252), (4576, 4586960), (4928, 4259320), (5005, 4193792), (5632, 3726905), (5720, 3669568), (5824, 3604040), (6160, 3407456), (6656, 3153535), (7040, 2981524), (7280, 2883232), (8008, 2621120), (8191, 2562560), (8320, 2522828), (8960, 2342626), (9152, 2293480), (9856, 2129660), (10010, 2096896), (11440, 1834784), (11648, 1802020), (12320, 1703728), (14080, 1490762), (14560, 1441616), (16016, 1310560), (16382, 1281280), (16640, 1261414), (17920, 1171313), (18304, 1146740), (19712, 1064830), (20020, 1048448), (22880, 917392), (23296, 901010), (24640, 851864), (28160, 745381), (29120, 720808), (32032, 655280), (32764, 640640), (33280, 630707), (36608, 573370), (39424, 532415), (40040, 524224), (40955, 512512), (45760, 458696), (46592, 450505), (49280, 425932), (57337, 366080), (58240, 360404), (64064, 327640), (65528, 320320), (73216, 286685), (80080, 262112), (81910, 256256), (90101, 232960), (91520, 229348), (98560, 212966), (106483, 197120), (114674, 183040), (116480, 180202), (128128, 163820), (131056, 160160)]