20757481920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^3\times {\mathrm{21013}}^1$

素因数の和:21057

約数の個数: 336

約数和(自身を含む): 83265873600

約数和(自身を除く): 62508391680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 343, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 686, 720, 735, 784, 840, 882, 960, 980, 1008, 1029, 1120, 1176, 1260, 1344, 1372, 1440, 1470, 1568, 1680, 1715, 1764, 1960, 2016, 2058, 2205, 2240, 2352, 2520, 2744, 2880, 2940, 3087, 3136, 3360, 3430, 3528, 3920, 4032, 4116, 4410, 4704, 5040, 5145, 5488, 5880, 6174, 6720, 6860, 7056, 7840, 8232, 8820, 9408, 10080, 10290, 10976, 11760, 12348, 13720, 14112, 15435, 15680, 16464, 17640, 20160, 20580, 21013, 21952, 23520, 24696, 27440, 28224, 30870, 32928, 35280, 41160, 42026, 47040, 49392, 54880, 61740, 63039, 65856, 70560, 82320, 84052, 98784, 105065, 109760, 123480, 126078, 141120, 147091, 164640, 168104, 189117, 197568, 210130, 246960, 252156, 294182, 315195, 329280, 336208, 378234, 420260, 441273, 493920, 504312, 588364, 630390, 672416, 735455, 756468, 840520, 882546, 945585, 987840, 1008624, 1029637, 1176728, 1260780, 1323819, 1344832, 1470910, 1512936, 1681040, 1765092, 1891170, 2017248, 2059274, 2206365, 2353456, 2521560, 2647638, 2941820, 3025872, 3088911, 3362080, 3530184, 3782340, 4034496, 4118548, 4412730, 4706912, 5043120, 5148185, 5295276, 5883640, 6051744, 6177822, 6619095, 6724160, 7060368, 7207459, 7564680, 8237096, 8825460, 9266733, 9413824, 10086240, 10296370, 10590552, 11767280, 12103488, 12355644, 13238190, 14120736, 14414918, 15129360, 15444555, 16474192, 17650920, 18533466, 20172480, 20592740, 21181104, 21622377, 23534560, 24711288, 26476380, 28241472, 28829836, 30258720, 30889110, 32948384, 35301840, 36037295, 37066932, 41185480, 42362208, 43244754, 46333665, 47069120, 49422576, 52952760, 57659672, 60517440, 61778220, 64867131, 65896768, 70603680, 72074590, 74133864, 82370960, 84724416, 86489508, 92667330, 98845152, 105905520, 108111885, 115319344, 123556440, 129734262, 141207360, 144149180, 148267728, 164741920, 172979016, 185334660, 197690304, 211811040, 216223770, 230638688, 247112880, 259468524, 288298360, 296535456, 324335655, 329483840, 345958032, 370669320, 423622080, 432447540, 461277376, 494225760, 518937048, 576596720, 593070912, 648671310, 691916064, 741338640, 864895080, 988451520, 1037874096, 1153193440, 1297342620, 1383832128, 1482677280, 1729790160, 2075748192, 2306386880, 2594685240, 2965354560, 3459580320, 4151496384, 5189370480, 6919160640, 10378740960, 20757481920]

約数ペア:

[(1, 20757481920), (2, 10378740960), (3, 6919160640), (4, 5189370480), (5, 4151496384), (6, 3459580320), (7, 2965354560), (8, 2594685240), (9, 2306386880), (10, 2075748192), (12, 1729790160), (14, 1482677280), (15, 1383832128), (16, 1297342620), (18, 1153193440), (20, 1037874096), (21, 988451520), (24, 864895080), (28, 741338640), (30, 691916064), (32, 648671310), (35, 593070912), (36, 576596720), (40, 518937048), (42, 494225760), (45, 461277376), (48, 432447540), (49, 423622080), (56, 370669320), (60, 345958032), (63, 329483840), (64, 324335655), (70, 296535456), (72, 288298360), (80, 259468524), (84, 247112880), (90, 230638688), (96, 216223770), (98, 211811040), (105, 197690304), (112, 185334660), (120, 172979016), (126, 164741920), (140, 148267728), (144, 144149180), (147, 141207360), (160, 129734262), (168, 123556440), (180, 115319344), (192, 108111885), (196, 105905520), (210, 98845152), (224, 92667330), (240, 86489508), (245, 84724416), (252, 82370960), (280, 74133864), (288, 72074590), (294, 70603680), (315, 65896768), (320, 64867131), (336, 61778220), (343, 60517440), (360, 57659672), (392, 52952760), (420, 49422576), (441, 47069120), (448, 46333665), (480, 43244754), (490, 42362208), (504, 41185480), (560, 37066932), (576, 36037295), (588, 35301840), (630, 32948384), (672, 30889110), (686, 30258720), (720, 28829836), (735, 28241472), (784, 26476380), (840, 24711288), (882, 23534560), (960, 21622377), (980, 21181104), (1008, 20592740), (1029, 20172480), (1120, 18533466), (1176, 17650920), (1260, 16474192), (1344, 15444555), (1372, 15129360), (1440, 14414918), (1470, 14120736), (1568, 13238190), (1680, 12355644), (1715, 12103488), (1764, 11767280), (1960, 10590552), (2016, 10296370), (2058, 10086240), (2205, 9413824), (2240, 9266733), (2352, 8825460), (2520, 8237096), (2744, 7564680), (2880, 7207459), (2940, 7060368), (3087, 6724160), (3136, 6619095), (3360, 6177822), (3430, 6051744), (3528, 5883640), (3920, 5295276), (4032, 5148185), (4116, 5043120), (4410, 4706912), (4704, 4412730), (5040, 4118548), (5145, 4034496), (5488, 3782340), (5880, 3530184), (6174, 3362080), (6720, 3088911), (6860, 3025872), (7056, 2941820), (7840, 2647638), (8232, 2521560), (8820, 2353456), (9408, 2206365), (10080, 2059274), (10290, 2017248), (10976, 1891170), (11760, 1765092), (12348, 1681040), (13720, 1512936), (14112, 1470910), (15435, 1344832), (15680, 1323819), (16464, 1260780), (17640, 1176728), (20160, 1029637), (20580, 1008624), (21013, 987840), (21952, 945585), (23520, 882546), (24696, 840520), (27440, 756468), (28224, 735455), (30870, 672416), (32928, 630390), (35280, 588364), (41160, 504312), (42026, 493920), (47040, 441273), (49392, 420260), (54880, 378234), (61740, 336208), (63039, 329280), (65856, 315195), (70560, 294182), (82320, 252156), (84052, 246960), (98784, 210130), (105065, 197568), (109760, 189117), (123480, 168104), (126078, 164640), (141120, 147091)]