20978219808

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 960

約数和(自身を含む): 83055329280

約数和(自身を除く): 62077109472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 24, 26, 27, 28, 31, 32, 36, 38, 39, 42, 48, 52, 54, 56, 57, 62, 63, 72, 76, 78, 81, 84, 91, 93, 96, 104, 108, 112, 114, 117, 124, 126, 133, 144, 151, 152, 156, 162, 168, 171, 182, 186, 189, 208, 216, 217, 224, 228, 234, 247, 248, 252, 266, 273, 279, 288, 302, 304, 312, 324, 336, 342, 351, 364, 372, 378, 399, 403, 416, 432, 434, 453, 456, 468, 494, 496, 504, 513, 532, 546, 558, 567, 589, 604, 608, 624, 648, 651, 672, 684, 702, 728, 741, 744, 756, 798, 806, 819, 837, 864, 868, 906, 912, 936, 988, 992, 1008, 1026, 1053, 1057, 1064, 1092, 1116, 1134, 1178, 1197, 1208, 1209, 1248, 1296, 1302, 1359, 1368, 1404, 1456, 1482, 1488, 1512, 1539, 1596, 1612, 1638, 1674, 1729, 1736, 1767, 1812, 1824, 1872, 1953, 1963, 1976, 2016, 2052, 2106, 2114, 2128, 2184, 2223, 2232, 2268, 2356, 2394, 2416, 2418, 2457, 2511, 2592, 2604, 2718, 2736, 2808, 2821, 2869, 2912, 2964, 2976, 3024, 3078, 3171, 3192, 3224, 3276, 3348, 3458, 3472, 3534, 3591, 3624, 3627, 3744, 3906, 3926, 3952, 4077, 4104, 4123, 4212, 4228, 4256, 4368, 4446, 4464, 4536, 4681, 4712, 4788, 4832, 4836, 4914, 5022, 5187, 5208, 5301, 5436, 5472, 5616, 5642, 5738, 5859, 5889, 5928, 6048, 6156, 6342, 6384, 6448, 6552, 6669, 6696, 6916, 6944, 7068, 7182, 7248, 7254, 7371, 7657, 7812, 7852, 7904, 8154, 8208, 8246, 8424, 8456, 8463, 8607, 8736, 8892, 8928, 9072, 9362, 9424, 9513, 9576, 9672, 9828, 10044, 10374, 10416, 10602, 10773, 10872, 10881, 11232, 11284, 11476, 11718, 11778, 11856, 12231, 12312, 12369, 12684, 12768, 12896, 13104, 13338, 13392, 13741, 13832, 14043, 14136, 14364, 14496, 14508, 14742, 15314, 15561, 15624, 15704, 15903, 16308, 16416, 16492, 16848, 16912, 16926, 17214, 17577, 17667, 17784, 18144, 18724, 18848, 19026, 19152, 19344, 19656, 20007, 20083, 20088, 20748, 20832, 21204, 21546, 21744, 21762, 22568, 22952, 22971, 23436, 23556, 23712, 24462, 24624, 24738, 25368, 25389, 25821, 26208, 26676, 26784, 27482, 27664, 28086, 28272, 28539, 28728, 29016, 29484, 30628, 31122, 31248, 31408, 31806, 32616, 32643, 32767, 32984, 33696, 33824, 33852, 34428, 35154, 35334, 35568, 37107, 37297, 37448, 38052, 38304, 38688, 39312, 40014, 40166, 40176, 41223, 41496, 42129, 42408, 43092, 43488, 43524, 45136, 45904, 45942, 46683, 46872, 47112, 47709, 48924, 49248, 49476, 50736, 50778, 51642, 53001, 53352, 53599, 54964, 55328, 56172, 56544, 57078, 57456, 58032, 58968, 60249, 60853, 61256, 62244, 62496, 62816, 63612, 65232, 65286, 65534, 65968, 67704, 68856, 68913, 70308, 70668, 71136, 74214, 74594, 74896, 76104, 76167, 77463, 78624, 80028, 80332, 80352, 82446, 82992, 84258, 84816, 85617, 86184, 87048, 88939, 90272, 91808, 91884, 93366, 93744, 94224, 95418, 97848, 98301, 98952, 101472, 101556, 103284, 106002, 106704, 107198, 109928, 111321, 111891, 112344, 114156, 114912, 116064, 117936, 120498, 121706, 122512, 123669, 124488, 126387, 127224, 130464, 130572, 131068, 131936, 135408, 137712, 137826, 140049, 140616, 141336, 148428, 149188, 149792, 152208, 152334, 154926, 159003, 160056, 160664, 160797, 164892, 165984, 168516, 169632, 171234, 172368, 174096, 177878, 180747, 182559, 183768, 186732, 187488, 188448, 190836, 195696, 196602, 197904, 203112, 206568, 206739, 212004, 213408, 214396, 219856, 222642, 223782, 224688, 228312, 228501, 232389, 235872, 240996, 243412, 245024, 247338, 248976, 252774, 254448, 261079, 261144, 262136, 266817, 270816, 275424, 275652, 280098, 281232, 282672, 294903, 296856, 298376, 304416, 304668, 309852, 318006, 320112, 321328, 321594, 329784, 333963, 335673, 337032, 342468, 344736, 348192, 355756, 361494, 365118, 367536, 371007, 373464, 379161, 381672, 391392, 393204, 395808, 406224, 413136, 413478, 424008, 425971, 428792, 439712, 445284, 447564, 449376, 456624, 457002, 464778, 481992, 482391, 486824, 494676, 497952, 505548, 508896, 522158, 522288, 524272, 533634, 542241, 547677, 551304, 560196, 562464, 565344, 589806, 593712, 596752, 609336, 619704, 620217, 622573, 636012, 640224, 642656, 643188, 659568, 667926, 671346, 674064, 684936, 711512, 722988, 730236, 735072, 742014, 746928, 758322, 763344, 783237, 786408, 800451, 812448, 826272, 826956, 848016, 851942, 857584, 884709, 890568, 895128, 913248, 914004, 929556, 963984, 964782, 973648, 989352, 1007019, 1011096, 1044316, 1044576, 1048544, 1067268, 1084482, 1095354, 1102608, 1113021, 1120392, 1156207, 1179612, 1187424, 1193504, 1218672, 1239408, 1240434, 1245146, 1272024, 1277913, 1286376, 1319136, 1335852, 1342692, 1348128, 1369872, 1423024, 1445976, 1447173, 1460472, 1484028, 1493856, 1516644, 1526688, 1566474, 1572816, 1600902, 1626723, 1643031, 1653912, 1696032, 1703884, 1715168, 1769418, 1781136, 1790256, 1828008, 1859112, 1867719, 1927968, 1929564, 1947296, 1978704, 2014038, 2022192, 2088632, 2134536, 2168964, 2190708, 2205216, 2226042, 2240784, 2312414, 2349711, 2359224, 2401353, 2437344, 2478816, 2480868, 2490292, 2544048, 2555826, 2572752, 2654127, 2671704, 2685384, 2739744, 2846048, 2891952, 2894346, 2920944, 2968056, 3021057, 3033288, 3132948, 3145632, 3201804, 3253446, 3286062, 3307824, 3407768, 3468621, 3538836, 3562272, 3580512, 3656016, 3718224, 3735438, 3833739, 3859128, 3957408, 4028076, 4044384, 4177264, 4269072, 4337928, 4341519, 4381416, 4452084, 4481568, 4624828, 4699422, 4718448, 4802706, 4929093, 4961736, 4980584, 5088096, 5111652, 5145504, 5308254, 5343408, 5370768, 5603157, 5783904, 5788692, 5841888, 5936112, 6042114, 6066576, 6265896, 6403608, 6506892, 6572124, 6615648, 6815536, 6937242, 7049133, 7077672, 7204059, 7312032, 7436448, 7470876, 7667478, 7718256, 8056152, 8093449, 8354528, 8538144, 8675856, 8683038, 8762832, 8904168, 9249656, 9398844, 9436896, 9605412, 9858186, 9923472, 9961168, 10223304, 10405863, 10616508, 10686816, 10741536, 11206314, 11501217, 11577384, 11872224, 12084228, 12133152, 12531792, 12807216, 13013784, 13144248, 13631072, 13874484, 14098266, 14155344, 14408118, 14941752, 15334956, 15436512, 16112304, 16186898, 16809471, 17351712, 17366076, 17525664, 17808336, 18499312, 18797688, 19210824, 19716372, 19846944, 19922336, 20446608, 20811726, 21147399, 21233016, 22412628, 23002434, 23154768, 24168456, 24280347, 25063584, 25614432, 26027568, 26288496, 27748968, 28196532, 28310688, 28816236, 29883504, 30669912, 31217589, 32224608, 32373796, 33618942, 34503651, 34732152, 35616672, 36998624, 37595376, 38421648, 39432744, 40893216, 41623452, 42294798, 42466032, 44825256, 46004868, 46309536, 48336912, 48560694, 50428413, 52055136, 52576992, 55497936, 56393064, 57632472, 59767008, 61339824, 62435178, 64747592, 67237884, 69007302, 69464304, 72841041, 75190752, 76843296, 78865488, 83246904, 84589596, 84932064, 89650512, 92009736, 93652767, 96673824, 97121388, 100856826, 110995872, 112786128, 115264944, 122679648, 124870356, 129495184, 134475768, 138014604, 138928608, 145682082, 157730976, 166493808, 169179192, 179301024, 184019472, 187305534, 194242776, 201713652, 218523123, 225572256, 230529888, 249740712, 258990368, 268951536, 276029208, 291364164, 332987616, 338358384, 368038944, 374611068, 388485552, 403427304, 437046246, 499481424, 537903072, 552058416, 582728328, 655569369, 676716768, 749222136, 776971104, 806854608, 874092492, 998962848, 1104116832, 1165456656, 1311138738, 1498444272, 1613709216, 1748184984, 2330913312, 2622277476, 2996888544, 3496369968, 5244554952, 6992739936, 10489109904, 20978219808]

約数ペア:

[(1, 20978219808), (2, 10489109904), (3, 6992739936), (4, 5244554952), (6, 3496369968), (7, 2996888544), (8, 2622277476), (9, 2330913312), (12, 1748184984), (13, 1613709216), (14, 1498444272), (16, 1311138738), (18, 1165456656), (19, 1104116832), (21, 998962848), (24, 874092492), (26, 806854608), (27, 776971104), (28, 749222136), (31, 676716768), (32, 655569369), (36, 582728328), (38, 552058416), (39, 537903072), (42, 499481424), (48, 437046246), (52, 403427304), (54, 388485552), (56, 374611068), (57, 368038944), (62, 338358384), (63, 332987616), (72, 291364164), (76, 276029208), (78, 268951536), (81, 258990368), (84, 249740712), (91, 230529888), (93, 225572256), (96, 218523123), (104, 201713652), (108, 194242776), (112, 187305534), (114, 184019472), (117, 179301024), (124, 169179192), (126, 166493808), (133, 157730976), (144, 145682082), (151, 138928608), (152, 138014604), (156, 134475768), (162, 129495184), (168, 124870356), (171, 122679648), (182, 115264944), (186, 112786128), (189, 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(906, 23154768), (912, 23002434), (936, 22412628), (988, 21233016), (992, 21147399), (1008, 20811726), (1026, 20446608), (1053, 19922336), (1057, 19846944), (1064, 19716372), (1092, 19210824), (1116, 18797688), (1134, 18499312), (1178, 17808336), (1197, 17525664), (1208, 17366076), (1209, 17351712), (1248, 16809471), (1296, 16186898), (1302, 16112304), (1359, 15436512), (1368, 15334956), (1404, 14941752), (1456, 14408118), (1482, 14155344), (1488, 14098266), (1512, 13874484), (1539, 13631072), (1596, 13144248), (1612, 13013784), (1638, 12807216), (1674, 12531792), (1729, 12133152), (1736, 12084228), (1767, 11872224), (1812, 11577384), (1824, 11501217), (1872, 11206314), (1953, 10741536), (1963, 10686816), (1976, 10616508), (2016, 10405863), (2052, 10223304), (2106, 9961168), (2114, 9923472), (2128, 9858186), (2184, 9605412), (2223, 9436896), (2232, 9398844), (2268, 9249656), (2356, 8904168), (2394, 8762832), (2416, 8683038), (2418, 8675856), (2457, 8538144), (2511, 8354528), (2592, 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(6448, 3253446), (6552, 3201804), (6669, 3145632), (6696, 3132948), (6916, 3033288), (6944, 3021057), (7068, 2968056), (7182, 2920944), (7248, 2894346), (7254, 2891952), (7371, 2846048), (7657, 2739744), (7812, 2685384), (7852, 2671704), (7904, 2654127), (8154, 2572752), (8208, 2555826), (8246, 2544048), (8424, 2490292), (8456, 2480868), (8463, 2478816), (8607, 2437344), (8736, 2401353), (8892, 2359224), (8928, 2349711), (9072, 2312414), (9362, 2240784), (9424, 2226042), (9513, 2205216), (9576, 2190708), (9672, 2168964), (9828, 2134536), (10044, 2088632), (10374, 2022192), (10416, 2014038), (10602, 1978704), (10773, 1947296), (10872, 1929564), (10881, 1927968), (11232, 1867719), (11284, 1859112), (11476, 1828008), (11718, 1790256), (11778, 1781136), (11856, 1769418), (12231, 1715168), (12312, 1703884), (12369, 1696032), (12684, 1653912), (12768, 1643031), (12896, 1626723), (13104, 1600902), (13338, 1572816), (13392, 1566474), (13741, 1526688), (13832, 1516644), (14043, 1493856), (14136, 1484028), (14364, 1460472), (14496, 1447173), (14508, 1445976), (14742, 1423024), (15314, 1369872), (15561, 1348128), (15624, 1342692), (15704, 1335852), (15903, 1319136), (16308, 1286376), (16416, 1277913), (16492, 1272024), (16848, 1245146), (16912, 1240434), (16926, 1239408), (17214, 1218672), (17577, 1193504), (17667, 1187424), (17784, 1179612), (18144, 1156207), (18724, 1120392), (18848, 1113021), (19026, 1102608), (19152, 1095354), (19344, 1084482), (19656, 1067268), (20007, 1048544), (20083, 1044576), (20088, 1044316), (20748, 1011096), (20832, 1007019), (21204, 989352), (21546, 973648), (21744, 964782), (21762, 963984), (22568, 929556), (22952, 914004), (22971, 913248), (23436, 895128), (23556, 890568), (23712, 884709), (24462, 857584), (24624, 851942), (24738, 848016), (25368, 826956), (25389, 826272), (25821, 812448), (26208, 800451), (26676, 786408), (26784, 783237), (27482, 763344), (27664, 758322), (28086, 746928), (28272, 742014), (28539, 735072), (28728, 730236), (29016, 722988), (29484, 711512), (30628, 684936), (31122, 674064), (31248, 671346), (31408, 667926), (31806, 659568), (32616, 643188), (32643, 642656), (32767, 640224), (32984, 636012), (33696, 622573), (33824, 620217), (33852, 619704), (34428, 609336), (35154, 596752), (35334, 593712), (35568, 589806), (37107, 565344), (37297, 562464), (37448, 560196), (38052, 551304), (38304, 547677), (38688, 542241), (39312, 533634), (40014, 524272), (40166, 522288), (40176, 522158), (41223, 508896), (41496, 505548), (42129, 497952), (42408, 494676), (43092, 486824), (43488, 482391), (43524, 481992), (45136, 464778), (45904, 457002), (45942, 456624), (46683, 449376), (46872, 447564), (47112, 445284), (47709, 439712), (48924, 428792), (49248, 425971), (49476, 424008), (50736, 413478), (50778, 413136), (51642, 406224), (53001, 395808), (53352, 393204), (53599, 391392), (54964, 381672), (55328, 379161), (56172, 373464), (56544, 371007), (57078, 367536), (57456, 365118), (58032, 361494), (58968, 355756), (60249, 348192), (60853, 344736), (61256, 342468), (62244, 337032), (62496, 335673), (62816, 333963), (63612, 329784), (65232, 321594), (65286, 321328), (65534, 320112), (65968, 318006), (67704, 309852), (68856, 304668), (68913, 304416), (70308, 298376), (70668, 296856), (71136, 294903), (74214, 282672), (74594, 281232), (74896, 280098), (76104, 275652), (76167, 275424), (77463, 270816), (78624, 266817), (80028, 262136), (80332, 261144), (80352, 261079), (82446, 254448), (82992, 252774), (84258, 248976), (84816, 247338), (85617, 245024), (86184, 243412), (87048, 240996), (88939, 235872), (90272, 232389), (91808, 228501), (91884, 228312), (93366, 224688), (93744, 223782), (94224, 222642), (95418, 219856), (97848, 214396), (98301, 213408), (98952, 212004), (101472, 206739), (101556, 206568), (103284, 203112), (106002, 197904), (106704, 196602), (107198, 195696), (109928, 190836), (111321, 188448), (111891, 187488), (112344, 186732), (114156, 183768), (114912, 182559), (116064, 180747), (117936, 177878), (120498, 174096), (121706, 172368), (122512, 171234), (123669, 169632), (124488, 168516), (126387, 165984), (127224, 164892), (130464, 160797), (130572, 160664), (131068, 160056), (131936, 159003), (135408, 154926), (137712, 152334), (137826, 152208), (140049, 149792), (140616, 149188), (141336, 148428)]