20746236420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 864

約数和(自身を含む): 84701635200

約数和(自身を除く): 63955398780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 49, 52, 57, 60, 63, 65, 70, 76, 78, 84, 89, 90, 91, 95, 98, 105, 107, 114, 117, 126, 130, 133, 140, 147, 156, 171, 178, 180, 182, 190, 195, 196, 210, 214, 228, 234, 245, 247, 252, 260, 266, 267, 273, 285, 294, 315, 321, 342, 356, 364, 380, 390, 399, 420, 428, 441, 445, 455, 468, 490, 494, 532, 534, 535, 546, 570, 585, 588, 623, 630, 637, 642, 665, 684, 735, 741, 749, 780, 798, 801, 819, 855, 882, 890, 910, 931, 963, 980, 988, 1068, 1070, 1092, 1140, 1157, 1170, 1197, 1235, 1246, 1260, 1274, 1284, 1330, 1335, 1365, 1391, 1470, 1482, 1498, 1596, 1602, 1605, 1638, 1691, 1710, 1729, 1764, 1780, 1820, 1862, 1869, 1911, 1926, 1995, 2033, 2140, 2205, 2223, 2247, 2314, 2340, 2394, 2470, 2492, 2548, 2660, 2670, 2730, 2782, 2793, 2940, 2964, 2996, 3115, 3185, 3204, 3210, 3276, 3382, 3420, 3458, 3471, 3705, 3724, 3738, 3745, 3822, 3852, 3990, 4005, 4066, 4095, 4173, 4361, 4410, 4446, 4494, 4628, 4655, 4788, 4815, 4940, 5073, 5187, 5243, 5340, 5460, 5564, 5586, 5607, 5733, 5785, 5985, 6099, 6230, 6370, 6420, 6741, 6764, 6916, 6942, 6955, 7410, 7476, 7490, 7644, 7980, 8010, 8099, 8132, 8190, 8346, 8379, 8455, 8645, 8722, 8820, 8892, 8988, 9310, 9345, 9523, 9555, 9630, 9737, 10146, 10165, 10374, 10413, 10486, 11115, 11172, 11214, 11235, 11466, 11570, 11837, 11970, 12103, 12198, 12460, 12519, 12740, 13083, 13482, 13884, 13910, 13965, 14231, 14820, 14980, 15219, 15561, 15729, 16020, 16198, 16380, 16692, 16758, 16910, 17290, 17355, 17444, 18297, 18620, 18690, 19046, 19110, 19260, 19474, 20292, 20330, 20748, 20826, 20865, 20972, 21805, 21983, 22230, 22428, 22470, 22932, 23140, 23674, 23940, 24206, 24297, 24396, 25038, 25365, 25935, 26166, 26215, 26429, 26964, 27820, 27930, 28035, 28462, 28569, 28665, 29211, 30438, 30495, 31122, 31458, 32396, 33516, 33705, 33820, 34580, 34710, 35511, 36309, 36594, 37380, 38092, 38220, 38948, 39249, 40495, 40660, 41652, 41730, 41895, 42693, 43610, 43966, 44460, 44940, 47187, 47348, 47615, 48412, 48594, 48685, 50076, 50730, 51870, 52065, 52332, 52430, 52858, 55860, 56070, 56693, 56924, 57138, 57330, 58422, 59185, 60515, 60876, 60990, 62244, 62595, 62916, 65415, 65949, 66661, 67410, 68159, 69420, 71022, 71155, 72618, 72891, 73188, 76095, 77805, 78498, 78645, 79287, 80990, 82859, 83460, 83790, 85386, 85707, 87220, 87633, 87932, 91485, 94374, 95230, 97188, 97370, 99617, 101460, 103740, 104130, 104860, 105716, 106533, 108927, 109915, 112140, 113386, 114276, 114660, 116844, 118370, 121030, 121485, 121980, 123799, 125190, 128079, 130830, 131898, 132145, 133322, 134820, 136318, 142044, 142310, 142845, 145236, 145782, 146055, 152190, 153881, 155610, 156996, 157290, 158574, 161980, 165718, 167580, 170079, 170772, 171414, 175266, 177555, 180937, 181545, 182970, 185003, 188748, 190460, 194740, 196245, 197847, 199234, 199983, 204477, 208260, 213066, 213465, 217854, 219830, 226772, 235935, 236740, 237861, 242060, 242970, 247598, 248577, 250380, 256158, 261660, 263796, 264290, 266644, 272636, 283465, 284620, 285690, 291564, 292110, 298851, 304380, 307762, 311220, 314580, 317148, 329745, 331436, 333305, 340158, 340795, 342828, 350532, 355110, 361874, 363090, 364455, 365940, 370006, 371397, 392490, 395694, 396435, 398468, 399966, 408954, 414295, 426132, 426930, 428535, 435708, 438165, 439660, 461643, 466627, 471870, 475722, 485940, 495196, 497154, 498085, 510237, 512316, 528580, 532665, 542811, 544635, 555009, 566930, 571380, 584220, 597702, 599949, 613431, 615524, 618995, 640395, 659490, 666610, 680316, 681590, 710220, 723748, 726180, 728910, 740012, 742794, 745731, 769405, 784980, 791388, 792870, 799932, 817908, 828590, 850395, 853860, 857070, 866593, 876330, 896553, 904685, 923286, 925015, 933254, 943740, 951444, 989235, 994308, 996170, 999915, 1020474, 1022385, 1065330, 1077167, 1085622, 1089270, 1110018, 1114191, 1133860, 1189305, 1195404, 1199898, 1226862, 1237990, 1242885, 1266559, 1280790, 1295021, 1318980, 1333220, 1363180, 1384929, 1399881, 1457820, 1485588, 1491462, 1494255, 1538810, 1585740, 1628433, 1657180, 1665027, 1700790, 1714140, 1733186, 1752660, 1793106, 1809370, 1846572, 1850030, 1856985, 1866508, 1978470, 1992340, 1999830, 2040948, 2044770, 2130660, 2154334, 2171244, 2178540, 2220036, 2228382, 2308215, 2333135, 2352181, 2378610, 2399796, 2453724, 2475980, 2485770, 2533118, 2551185, 2561580, 2590042, 2599779, 2714055, 2769858, 2775045, 2799762, 2982924, 2988510, 2999745, 3067155, 3077620, 3231501, 3256866, 3330054, 3401580, 3466372, 3586212, 3618740, 3700060, 3713970, 3728655, 3799677, 3885063, 3956940, 3999660, 4089540, 4199643, 4308668, 4332965, 4456764, 4482765, 4616430, 4666270, 4704362, 4757220, 4971540, 5066236, 5102370, 5180084, 5199558, 5385835, 5428110, 5539716, 5550090, 5570955, 5599524, 5977020, 5999490, 6066151, 6134310, 6332795, 6463002, 6475105, 6513732, 6660108, 6924645, 6999405, 7056543, 7427940, 7457310, 7599354, 7770126, 7799337, 8142165, 8325135, 8399286, 8665930, 8865913, 8965530, 9232860, 9332540, 9408724, 9694503, 10204740, 10399116, 10771670, 10856220, 11100180, 11141910, 11399031, 11655189, 11760905, 11998980, 12132302, 12268620, 12665590, 12926004, 12950210, 12998895, 13849290, 13998810, 14113086, 14914620, 15198708, 15540252, 15598674, 16157505, 16284330, 16465267, 16650270, 16798572, 17331860, 17731826, 17931060, 18198453, 18998385, 19389006, 19425315, 20998215, 21169629, 21543340, 22283820, 22798062, 23310378, 23521810, 24264604, 25331180, 25900420, 25997790, 26597739, 27698580, 27997620, 28226172, 30330755, 31197348, 32315010, 32568660, 32930534, 33300540, 35282715, 35463652, 36396906, 37996770, 38778012, 38850630, 38996685, 41996430, 42339258, 44329565, 45596124, 46620756, 47043620, 48472515, 49395801, 51995580, 53195478, 54595359, 56995155, 58275945, 60661510, 64630020, 65861068, 70565430, 72793812, 75993540, 77701260, 77993370, 79793217, 82326335, 83992860, 84678516, 88659130, 90992265, 96945030, 98791602, 105848145, 106390956, 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約数ペア:

[(1, 20746236420), (2, 10373118210), (3, 6915412140), (4, 5186559105), (5, 4149247284), (6, 3457706070), (7, 2963748060), (9, 2305137380), (10, 2074623642), (12, 1728853035), (13, 1595864340), (14, 1481874030), (15, 1383082428), (18, 1152568690), (19, 1091907180), (20, 1037311821), (21, 987916020), (26, 797932170), (28, 740937015), (30, 691541214), (35, 592749612), (36, 576284345), (38, 545953590), (39, 531954780), (42, 493958010), (45, 461027476), (49, 423392580), (52, 398966085), (57, 363969060), (60, 345770607), (63, 329305340), (65, 319172868), (70, 296374806), (76, 272976795), (78, 265977390), (84, 246979005), (89, 233103780), (90, 230513738), (91, 227980620), (95, 218381436), (98, 211696290), (105, 197583204), (107, 193890060), (114, 181984530), (117, 177318260), (126, 164652670), (130, 159586434), (133, 155986740), (140, 148187403), (147, 141130860), (156, 132988695), (171, 121323020), (178, 116551890), (180, 115256869), (182, 113990310), (190, 109190718), (195, 106390956), (196, 105848145), (210, 98791602), (214, 96945030), (228, 90992265), (234, 88659130), (245, 84678516), (247, 83992860), (252, 82326335), (260, 79793217), (266, 77993370), (267, 77701260), (273, 75993540), (285, 72793812), (294, 70565430), (315, 65861068), (321, 64630020), (342, 60661510), (356, 58275945), (364, 56995155), (380, 54595359), (390, 53195478), (399, 51995580), (420, 49395801), (428, 48472515), (441, 47043620), (445, 46620756), (455, 45596124), (468, 44329565), (490, 42339258), (494, 41996430), (532, 38996685), (534, 38850630), (535, 38778012), (546, 37996770), (570, 36396906), (585, 35463652), (588, 35282715), (623, 33300540), (630, 32930534), (637, 32568660), (642, 32315010), (665, 31197348), (684, 30330755), (735, 28226172), (741, 27997620), (749, 27698580), (780, 26597739), (798, 25997790), (801, 25900420), (819, 25331180), (855, 24264604), (882, 23521810), (890, 23310378), (910, 22798062), (931, 22283820), (963, 21543340), (980, 21169629), (988, 20998215), (1068, 19425315), (1070, 19389006), (1092, 18998385), (1140, 18198453), (1157, 17931060), (1170, 17731826), (1197, 17331860), (1235, 16798572), (1246, 16650270), (1260, 16465267), (1274, 16284330), (1284, 16157505), (1330, 15598674), (1335, 15540252), (1365, 15198708), (1391, 14914620), (1470, 14113086), (1482, 13998810), (1498, 13849290), (1596, 12998895), (1602, 12950210), (1605, 12926004), (1638, 12665590), (1691, 12268620), (1710, 12132302), (1729, 11998980), (1764, 11760905), (1780, 11655189), (1820, 11399031), (1862, 11141910), (1869, 11100180), (1911, 10856220), (1926, 10771670), (1995, 10399116), (2033, 10204740), (2140, 9694503), (2205, 9408724), (2223, 9332540), (2247, 9232860), (2314, 8965530), (2340, 8865913), (2394, 8665930), (2470, 8399286), (2492, 8325135), (2548, 8142165), (2660, 7799337), (2670, 7770126), (2730, 7599354), (2782, 7457310), (2793, 7427940), (2940, 7056543), (2964, 6999405), (2996, 6924645), (3115, 6660108), (3185, 6513732), (3204, 6475105), (3210, 6463002), (3276, 6332795), (3382, 6134310), (3420, 6066151), (3458, 5999490), (3471, 5977020), (3705, 5599524), (3724, 5570955), (3738, 5550090), (3745, 5539716), (3822, 5428110), (3852, 5385835), (3990, 5199558), (4005, 5180084), (4066, 5102370), (4095, 5066236), (4173, 4971540), (4361, 4757220), (4410, 4704362), (4446, 4666270), (4494, 4616430), (4628, 4482765), (4655, 4456764), (4788, 4332965), (4815, 4308668), (4940, 4199643), (5073, 4089540), (5187, 3999660), (5243, 3956940), (5340, 3885063), (5460, 3799677), (5564, 3728655), (5586, 3713970), (5607, 3700060), (5733, 3618740), (5785, 3586212), (5985, 3466372), (6099, 3401580), (6230, 3330054), (6370, 3256866), (6420, 3231501), (6741, 3077620), (6764, 3067155), (6916, 2999745), (6942, 2988510), (6955, 2982924), (7410, 2799762), (7476, 2775045), (7490, 2769858), (7644, 2714055), (7980, 2599779), (8010, 2590042), (8099, 2561580), (8132, 2551185), (8190, 2533118), (8346, 2485770), (8379, 2475980), (8455, 2453724), (8645, 2399796), (8722, 2378610), (8820, 2352181), (8892, 2333135), (8988, 2308215), (9310, 2228382), (9345, 2220036), (9523, 2178540), (9555, 2171244), (9630, 2154334), (9737, 2130660), (10146, 2044770), (10165, 2040948), (10374, 1999830), (10413, 1992340), (10486, 1978470), (11115, 1866508), (11172, 1856985), (11214, 1850030), (11235, 1846572), (11466, 1809370), (11570, 1793106), (11837, 1752660), (11970, 1733186), (12103, 1714140), (12198, 1700790), (12460, 1665027), (12519, 1657180), (12740, 1628433), (13083, 1585740), (13482, 1538810), (13884, 1494255), (13910, 1491462), (13965, 1485588), (14231, 1457820), (14820, 1399881), (14980, 1384929), (15219, 1363180), (15561, 1333220), (15729, 1318980), (16020, 1295021), (16198, 1280790), (16380, 1266559), (16692, 1242885), (16758, 1237990), (16910, 1226862), (17290, 1199898), (17355, 1195404), (17444, 1189305), (18297, 1133860), (18620, 1114191), (18690, 1110018), (19046, 1089270), (19110, 1085622), (19260, 1077167), (19474, 1065330), (20292, 1022385), (20330, 1020474), (20748, 999915), (20826, 996170), (20865, 994308), (20972, 989235), (21805, 951444), (21983, 943740), (22230, 933254), (22428, 925015), (22470, 923286), (22932, 904685), (23140, 896553), (23674, 876330), (23940, 866593), (24206, 857070), (24297, 853860), (24396, 850395), (25038, 828590), (25365, 817908), (25935, 799932), (26166, 792870), (26215, 791388), (26429, 784980), (26964, 769405), (27820, 745731), (27930, 742794), (28035, 740012), (28462, 728910), (28569, 726180), (28665, 723748), (29211, 710220), (30438, 681590), (30495, 680316), (31122, 666610), (31458, 659490), (32396, 640395), (33516, 618995), (33705, 615524), (33820, 613431), (34580, 599949), (34710, 597702), (35511, 584220), (36309, 571380), (36594, 566930), (37380, 555009), (38092, 544635), (38220, 542811), (38948, 532665), (39249, 528580), (40495, 512316), (40660, 510237), (41652, 498085), (41730, 497154), (41895, 495196), (42693, 485940), (43610, 475722), (43966, 471870), (44460, 466627), (44940, 461643), (47187, 439660), (47348, 438165), (47615, 435708), (48412, 428535), (48594, 426930), (48685, 426132), (50076, 414295), (50730, 408954), (51870, 399966), (52065, 398468), (52332, 396435), (52430, 395694), (52858, 392490), (55860, 371397), (56070, 370006), (56693, 365940), (56924, 364455), (57138, 363090), (57330, 361874), (58422, 355110), (59185, 350532), (60515, 342828), (60876, 340795), (60990, 340158), (62244, 333305), (62595, 331436), (62916, 329745), (65415, 317148), (65949, 314580), (66661, 311220), (67410, 307762), (68159, 304380), (69420, 298851), (71022, 292110), (71155, 291564), (72618, 285690), (72891, 284620), (73188, 283465), (76095, 272636), (77805, 266644), (78498, 264290), (78645, 263796), (79287, 261660), (80990, 256158), (82859, 250380), (83460, 248577), (83790, 247598), (85386, 242970), (85707, 242060), (87220, 237861), (87633, 236740), (87932, 235935), (91485, 226772), (94374, 219830), (95230, 217854), (97188, 213465), (97370, 213066), (99617, 208260), (101460, 204477), (103740, 199983), (104130, 199234), (104860, 197847), (105716, 196245), (106533, 194740), (108927, 190460), (109915, 188748), (112140, 185003), (113386, 182970), (114276, 181545), (114660, 180937), (116844, 177555), (118370, 175266), (121030, 171414), (121485, 170772), (121980, 170079), (123799, 167580), (125190, 165718), (128079, 161980), (130830, 158574), (131898, 157290), (132145, 156996), (133322, 155610), (134820, 153881), (136318, 152190), (142044, 146055), (142310, 145782), (142845, 145236)]