20395491480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 1152

約数和(自身を含む): 90826444800

約数和(自身を除く): 70430953320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 24, 26, 28, 30, 31, 35, 36, 38, 39, 40, 42, 45, 49, 52, 56, 57, 60, 62, 63, 65, 70, 72, 76, 78, 84, 90, 91, 93, 95, 98, 104, 105, 114, 117, 120, 124, 126, 130, 133, 140, 147, 151, 152, 155, 156, 168, 171, 180, 182, 186, 190, 195, 196, 210, 217, 228, 234, 245, 247, 248, 252, 260, 266, 273, 279, 280, 285, 294, 302, 310, 312, 315, 342, 360, 364, 372, 380, 390, 392, 399, 403, 420, 434, 441, 453, 455, 456, 465, 468, 490, 494, 504, 520, 532, 546, 558, 570, 585, 588, 589, 604, 620, 630, 637, 651, 665, 684, 728, 735, 741, 744, 755, 760, 780, 798, 806, 819, 840, 855, 868, 882, 906, 910, 930, 931, 936, 980, 988, 1057, 1064, 1085, 1092, 1116, 1140, 1170, 1176, 1178, 1197, 1208, 1209, 1235, 1240, 1260, 1274, 1302, 1330, 1359, 1365, 1368, 1395, 1470, 1482, 1510, 1519, 1560, 1596, 1612, 1638, 1710, 1729, 1736, 1764, 1767, 1812, 1820, 1860, 1862, 1911, 1953, 1960, 1963, 1976, 1995, 2015, 2114, 2170, 2184, 2205, 2223, 2232, 2265, 2280, 2340, 2356, 2394, 2418, 2470, 2520, 2548, 2604, 2660, 2718, 2730, 2790, 2793, 2821, 2869, 2940, 2945, 2964, 3020, 3038, 3171, 3185, 3192, 3224, 3255, 3276, 3420, 3458, 3528, 3534, 3624, 3627, 3640, 3705, 3720, 3724, 3822, 3906, 3926, 3990, 4030, 4095, 4123, 4228, 4340, 4410, 4446, 4530, 4557, 4655, 4680, 4681, 4712, 4788, 4836, 4940, 5096, 5187, 5208, 5285, 5301, 5320, 5436, 5460, 5580, 5586, 5642, 5733, 5738, 5880, 5889, 5890, 5928, 5985, 6040, 6045, 6076, 6342, 6370, 6510, 6552, 6795, 6840, 6916, 7068, 7254, 7399, 7410, 7448, 7595, 7644, 7657, 7812, 7852, 7980, 8060, 8190, 8246, 8379, 8456, 8463, 8607, 8645, 8680, 8820, 8835, 8892, 9060, 9114, 9310, 9362, 9513, 9555, 9576, 9672, 9765, 9815, 9880, 10374, 10570, 10602, 10872, 10920, 11115, 11160, 11172, 11284, 11466, 11476, 11778, 11780, 11970, 12090, 12103, 12152, 12369, 12684, 12740, 13020, 13590, 13671, 13741, 13832, 13965, 14043, 14105, 14136, 14345, 14508, 14798, 14820, 15190, 15288, 15314, 15561, 15624, 15704, 15855, 15960, 16120, 16380, 16492, 16758, 16926, 17214, 17290, 17640, 17667, 17670, 17784, 18120, 18135, 18228, 18620, 18724, 19026, 19110, 19530, 19630, 19747, 20083, 20615, 20748, 21140, 21204, 22197, 22230, 22344, 22568, 22785, 22932, 22952, 22971, 23405, 23556, 23560, 23940, 24180, 24206, 24738, 25368, 25389, 25480, 25821, 25935, 26040, 26505, 27180, 27342, 27482, 27930, 28086, 28210, 28665, 28690, 28861, 29016, 29445, 29596, 29640, 30380, 30628, 31122, 31710, 32760, 32767, 32984, 33516, 33852, 34428, 34580, 35334, 35340, 36270, 36309, 36456, 36995, 37107, 37240, 37297, 37448, 38052, 38220, 38285, 39060, 39260, 39494, 40166, 41223, 41230, 41496, 41895, 42129, 42280, 42315, 42408, 43035, 44394, 44460, 45570, 45864, 45942, 46810, 47112, 47565, 47880, 48360, 48412, 49476, 50778, 51642, 51870, 53010, 53599, 54360, 54684, 54964, 55860, 56172, 56420, 57330, 57380, 57722, 58890, 59192, 59241, 60249, 60515, 60760, 60853, 61256, 61845, 62244, 63420, 65534, 66591, 67032, 67704, 68355, 68705, 68856, 68913, 69160, 70215, 70668, 70680, 72540, 72618, 73990, 74214, 74594, 76104, 76440, 76570, 77805, 78120, 78520, 78988, 80332, 82446, 82460, 83790, 84258, 84630, 86070, 86583, 88335, 88788, 88920, 88939, 91140, 91884, 93620, 95130, 96187, 96824, 98301, 98735, 98952, 100415, 101556, 103284, 103740, 106020, 107198, 108927, 109368, 109928, 110985, 111720, 111891, 112344, 112840, 114660, 114760, 114855, 115444, 117780, 118482, 120498, 121030, 121706, 123669, 123690, 124488, 126840, 126945, 129105, 131068, 133182, 136710, 137410, 137826, 140430, 140581, 141336, 144305, 145080, 145236, 147980, 148428, 149188, 153140, 155610, 157976, 160664, 160797, 163835, 164892, 164920, 167580, 168516, 169260, 172140, 173166, 176670, 177576, 177723, 177878, 180747, 181545, 182280, 182559, 183768, 185535, 186485, 187240, 190260, 192374, 196602, 197470, 200830, 203112, 206115, 206568, 207480, 210645, 212040, 214396, 217854, 221970, 223782, 229320, 229369, 229710, 230888, 235560, 236964, 240996, 242060, 243412, 247338, 247380, 253890, 258210, 259749, 261079, 262136, 266364, 266817, 267995, 273420, 274820, 275652, 280860, 281162, 288561, 288610, 290472, 294903, 295960, 296205, 296856, 298376, 301245, 304265, 306280, 311220, 321594, 327670, 329784, 332955, 335160, 335673, 337032, 338520, 344280, 344565, 346332, 353340, 355446, 355756, 361494, 363090, 365118, 371070, 372970, 375193, 380520, 384748, 393204, 394940, 401660, 412230, 421290, 421743, 425971, 428792, 432915, 435708, 443940, 444695, 447564, 458738, 459420, 473928, 480935, 481992, 482391, 484120, 486824, 491505, 494676, 494760, 507780, 516420, 519498, 522158, 532728, 533634, 535990, 544635, 546840, 547677, 549640, 551304, 559455, 561720, 562324, 577122, 577220, 589806, 592410, 602490, 608530, 618345, 622440, 622573, 643188, 655340, 665910, 671346, 688107, 689130, 692664, 702905, 706680, 710892, 711512, 722988, 726180, 730236, 742140, 745940, 750386, 769496, 783237, 786408, 789880, 800451, 803320, 803985, 824460, 842580, 843486, 851942, 865683, 865830, 871416, 887880, 888615, 889390, 895128, 903735, 912795, 917476, 918840, 961870, 964782, 983010, 989352, 1015560, 1032840, 1038996, 1044316, 1067268, 1071980, 1089270, 1095354, 1118910, 1124648, 1125579, 1146845, 1154244, 1154440, 1156207, 1179612, 1184820, 1204980, 1217060, 1236690, 1245146, 1265229, 1277913, 1286376, 1298745, 1305395, 1310680, 1331820, 1334085, 1342692, 1376214, 1378260, 1405810, 1421784, 1442805, 1445976, 1452360, 1460472, 1474515, 1484280, 1491880, 1500772, 1566474, 1600902, 1607970, 1648920, 1678365, 1685160, 1686972, 1703884, 1731366, 1731660, 1777230, 1778780, 1807470, 1825590, 1827553, 1834952, 1867719, 1875965, 1923740, 1929564, 1966020, 2064321, 2077992, 2088632, 2108715, 2129855, 2134536, 2143960, 2178540, 2190708, 2237820, 2251158, 2293690, 2308488, 2312414, 2349711, 2359224, 2369640, 2409960, 2411955, 2434120, 2473380, 2490292, 2530458, 2555826, 2597490, 2610790, 2663640, 2668170, 2685384, 2738385, 2752428, 2756520, 2811620, 2885610, 2949030, 2981797, 3001544, 3112865, 3132948, 3201804, 3215940, 3356730, 3373944, 3376737, 3407768, 3440535, 3462732, 3463320, 3468621, 3554460, 3557560, 3614940, 3651180, 3655106, 3735438, 3751930, 3833739, 3847480, 3859128, 3916185, 3932040, 4002255, 4128642, 4217430, 4259710, 4328415, 4357080, 4358011, 4381416, 4475640, 4502316, 4587380, 4624828, 4699422, 4823910, 4946760, 4980584, 5060916, 5111652, 5194980, 5221580, 5336340, 5476770, 5482659, 5504856, 5603157, 5623240, 5627895, 5771220, 5781035, 5898060, 5963594, 6225730, 6265896, 6326145, 6389565, 6403608, 6431880, 6713460, 6753474, 6881070, 6925464, 6937242, 7108920, 7229880, 7302360, 7310212, 7470876, 7503860, 7667478, 7832370, 8004510, 8093449, 8257284, 8434860, 8519420, 8656830, 8716022, 8945391, 9004632, 9137765, 9174760, 9249656, 9338595, 9398844, 9647820, 10121832, 10223304, 10321605, 10389960, 10405863, 10443160, 10672680, 10953540, 10965318, 11206314, 11255790, 11542440, 11562070, 11748555, 11796120, 11927188, 12451460, 12652290, 12779130, 13074033, 13426920, 13506948, 13762140, 13874484, 14620424, 14908985, 14941752, 15007720, 15334956, 15664740, 16009020, 16186898, 16447977, 16514568, 16869720, 16883685, 17038840, 17313660, 17343105, 17432044, 17890782, 18275530, 18677190, 18797688, 19168695, 19295640, 20643210, 20811726, 21790055, 21907080, 21930636, 22412628, 22511580, 23124140, 23497110, 23854376, 24280347, 24902920, 25304580, 25558260, 26148066, 26836173, 27013896, 27413295, 27524280, 27748968, 28015785, 29817970, 30669912, 31329480, 32018040, 32373796, 32895954, 33767370, 34627320, 34686210, 34864088, 35781564, 36551060, 37354380, 38337390, 39222099, 40467245, 41286420, 41623452, 43580110, 43861272, 44726955, 44825256, 45023160, 46248280, 46994220, 48560694, 50609160, 51116520, 52029315, 52296132, 53672346, 54826590, 56031570, 56654143, 59635940, 64747592, 65370165, 65791908, 67534740, 69372420, 71563128, 72841041, 73102120, 74708760, 76674780, 78444198, 80934490, 82239885, 82572840, 83246904, 87160220, 89453910, 93988440, 97121388, 104058630, 104592264, 107344692, 109653180, 112063140, 113308286, 119271880, 121401735, 130740330, 131583816, 134180865, 135069480, 138744840, 145682082, 153349560, 156888396, 161868980, 164479770, 169962429, 174320440, 178907820, 194242776, 196110495, 208117260, 214689384, 219306360, 224126280, 226616572, 242803470, 261480660, 268361730, 283270715, 291364164, 313776792, 323737960, 328959540, 339924858, 357815640, 364205205, 392220990, 416234520, 453233144, 485606940, 509887287, 522961320, 536723460, 566541430, 582728328, 657919080, 679849716, 728410410, 784441980, 849812145, 971213880, 1019774574, 1073446920, 1133082860, 1359699432, 1456820820, 1568883960, 1699624290, 2039549148, 2266165720, 2549436435, 2913641640, 3399248580, 4079098296, 5098872870, 6798497160, 10197745740, 20395491480]

約数ペア:

[(1, 20395491480), (2, 10197745740), (3, 6798497160), (4, 5098872870), (5, 4079098296), (6, 3399248580), (7, 2913641640), (8, 2549436435), (9, 2266165720), (10, 2039549148), (12, 1699624290), (13, 1568883960), (14, 1456820820), (15, 1359699432), (18, 1133082860), (19, 1073446920), (20, 1019774574), (21, 971213880), (24, 849812145), (26, 784441980), (28, 728410410), (30, 679849716), (31, 657919080), (35, 582728328), (36, 566541430), (38, 536723460), (39, 522961320), (40, 509887287), (42, 485606940), (45, 453233144), (49, 416234520), (52, 392220990), (56, 364205205), (57, 357815640), (60, 339924858), (62, 328959540), (63, 323737960), (65, 313776792), (70, 291364164), (72, 283270715), (76, 268361730), (78, 261480660), (84, 242803470), (90, 226616572), (91, 224126280), (93, 219306360), (95, 214689384), (98, 208117260), (104, 196110495), (105, 194242776), (114, 178907820), (117, 174320440), (120, 169962429), (124, 164479770), (126, 161868980), (130, 156888396), (133, 153349560), (140, 145682082), (147, 138744840), (151, 135069480), (152, 134180865), (155, 131583816), (156, 130740330), (168, 121401735), (171, 119271880), (180, 113308286), (182, 112063140), (186, 109653180), (190, 107344692), (195, 104592264), (196, 104058630), (210, 97121388), (217, 93988440), (228, 89453910), (234, 87160220), (245, 83246904), (247, 82572840), (248, 82239885), (252, 80934490), (260, 78444198), (266, 76674780), (273, 74708760), (279, 73102120), (280, 72841041), (285, 71563128), (294, 69372420), (302, 67534740), (310, 65791908), (312, 65370165), (315, 64747592), (342, 59635940), (360, 56654143), (364, 56031570), (372, 54826590), (380, 53672346), (390, 52296132), (392, 52029315), (399, 51116520), (403, 50609160), (420, 48560694), (434, 46994220), (441, 46248280), (453, 45023160), (455, 44825256), (456, 44726955), (465, 43861272), (468, 43580110), (490, 41623452), (494, 41286420), (504, 40467245), (520, 39222099), (532, 38337390), (546, 37354380), (558, 36551060), (570, 35781564), (585, 34864088), (588, 34686210), (589, 34627320), (604, 33767370), (620, 32895954), (630, 32373796), (637, 32018040), (651, 31329480), (665, 30669912), (684, 29817970), (728, 28015785), (735, 27748968), (741, 27524280), (744, 27413295), (755, 27013896), (760, 26836173), (780, 26148066), (798, 25558260), (806, 25304580), (819, 24902920), (840, 24280347), (855, 23854376), (868, 23497110), (882, 23124140), (906, 22511580), (910, 22412628), (930, 21930636), (931, 21907080), (936, 21790055), (980, 20811726), (988, 20643210), (1057, 19295640), (1064, 19168695), (1085, 18797688), (1092, 18677190), (1116, 18275530), (1140, 17890782), (1170, 17432044), (1176, 17343105), (1178, 17313660), (1197, 17038840), (1208, 16883685), (1209, 16869720), (1235, 16514568), (1240, 16447977), (1260, 16186898), (1274, 16009020), (1302, 15664740), (1330, 15334956), (1359, 15007720), (1365, 14941752), (1368, 14908985), (1395, 14620424), (1470, 13874484), (1482, 13762140), (1510, 13506948), (1519, 13426920), (1560, 13074033), (1596, 12779130), (1612, 12652290), (1638, 12451460), (1710, 11927188), (1729, 11796120), (1736, 11748555), (1764, 11562070), (1767, 11542440), (1812, 11255790), (1820, 11206314), (1860, 10965318), (1862, 10953540), (1911, 10672680), (1953, 10443160), (1960, 10405863), (1963, 10389960), (1976, 10321605), (1995, 10223304), (2015, 10121832), (2114, 9647820), (2170, 9398844), (2184, 9338595), (2205, 9249656), (2223, 9174760), (2232, 9137765), (2265, 9004632), (2280, 8945391), (2340, 8716022), (2356, 8656830), (2394, 8519420), (2418, 8434860), (2470, 8257284), (2520, 8093449), (2548, 8004510), (2604, 7832370), (2660, 7667478), (2718, 7503860), (2730, 7470876), (2790, 7310212), (2793, 7302360), (2821, 7229880), (2869, 7108920), (2940, 6937242), (2945, 6925464), (2964, 6881070), (3020, 6753474), (3038, 6713460), (3171, 6431880), (3185, 6403608), (3192, 6389565), (3224, 6326145), (3255, 6265896), (3276, 6225730), (3420, 5963594), (3458, 5898060), (3528, 5781035), (3534, 5771220), (3624, 5627895), (3627, 5623240), (3640, 5603157), (3705, 5504856), (3720, 5482659), (3724, 5476770), (3822, 5336340), (3906, 5221580), (3926, 5194980), (3990, 5111652), (4030, 5060916), (4095, 4980584), (4123, 4946760), (4228, 4823910), (4340, 4699422), (4410, 4624828), (4446, 4587380), (4530, 4502316), (4557, 4475640), (4655, 4381416), (4680, 4358011), (4681, 4357080), (4712, 4328415), (4788, 4259710), (4836, 4217430), (4940, 4128642), (5096, 4002255), (5187, 3932040), (5208, 3916185), (5285, 3859128), (5301, 3847480), (5320, 3833739), (5436, 3751930), (5460, 3735438), (5580, 3655106), (5586, 3651180), (5642, 3614940), (5733, 3557560), (5738, 3554460), (5880, 3468621), (5889, 3463320), (5890, 3462732), (5928, 3440535), (5985, 3407768), (6040, 3376737), (6045, 3373944), (6076, 3356730), (6342, 3215940), (6370, 3201804), (6510, 3132948), (6552, 3112865), (6795, 3001544), (6840, 2981797), (6916, 2949030), (7068, 2885610), (7254, 2811620), (7399, 2756520), (7410, 2752428), (7448, 2738385), (7595, 2685384), (7644, 2668170), (7657, 2663640), (7812, 2610790), (7852, 2597490), (7980, 2555826), (8060, 2530458), (8190, 2490292), (8246, 2473380), (8379, 2434120), (8456, 2411955), (8463, 2409960), (8607, 2369640), (8645, 2359224), (8680, 2349711), (8820, 2312414), (8835, 2308488), (8892, 2293690), (9060, 2251158), (9114, 2237820), (9310, 2190708), (9362, 2178540), (9513, 2143960), (9555, 2134536), (9576, 2129855), (9672, 2108715), (9765, 2088632), (9815, 2077992), (9880, 2064321), (10374, 1966020), (10570, 1929564), (10602, 1923740), (10872, 1875965), (10920, 1867719), (11115, 1834952), (11160, 1827553), (11172, 1825590), (11284, 1807470), (11466, 1778780), (11476, 1777230), (11778, 1731660), (11780, 1731366), (11970, 1703884), (12090, 1686972), (12103, 1685160), (12152, 1678365), (12369, 1648920), (12684, 1607970), (12740, 1600902), (13020, 1566474), (13590, 1500772), (13671, 1491880), (13741, 1484280), (13832, 1474515), (13965, 1460472), (14043, 1452360), (14105, 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