20147655920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:392

約数の個数: 320

約数和(自身を含む): 57322045440

約数和(自身を除く): 37174389520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 109, 112, 113, 115, 127, 140, 161, 184, 218, 226, 230, 254, 280, 322, 368, 436, 452, 460, 508, 545, 560, 565, 635, 644, 763, 791, 805, 872, 889, 904, 920, 1016, 1090, 1130, 1270, 1288, 1526, 1582, 1610, 1744, 1778, 1808, 1840, 2032, 2180, 2260, 2507, 2540, 2576, 2599, 2921, 3052, 3164, 3220, 3556, 3815, 3955, 4360, 4445, 4520, 5014, 5080, 5198, 5842, 6104, 6328, 6440, 7112, 7630, 7910, 8720, 8890, 9040, 10028, 10160, 10396, 11684, 12208, 12317, 12535, 12656, 12880, 12995, 13843, 14224, 14351, 14605, 15260, 15820, 17549, 17780, 18193, 20056, 20447, 20792, 23368, 24634, 25070, 25990, 27686, 28702, 29210, 30520, 31640, 35098, 35560, 36386, 40112, 40894, 41584, 46736, 49268, 50140, 51980, 55372, 57404, 58420, 61040, 61585, 63280, 69215, 70196, 71120, 71755, 72772, 81788, 86219, 87745, 90965, 96901, 98536, 100280, 100457, 102235, 103960, 110744, 114808, 116840, 123170, 138430, 140392, 143510, 145544, 163576, 172438, 175490, 181930, 193802, 197072, 200560, 200914, 204470, 207920, 221488, 229616, 233680, 246340, 276860, 280784, 283291, 287020, 291088, 318389, 327152, 330073, 344876, 350980, 363860, 387604, 401828, 408940, 431095, 484505, 492680, 502285, 553720, 566582, 574040, 636778, 660146, 689752, 701960, 727720, 775208, 803656, 817880, 862190, 969010, 985360, 1004570, 1107440, 1133164, 1148080, 1273556, 1320292, 1379504, 1403920, 1416455, 1455440, 1550416, 1564259, 1591945, 1607312, 1635760, 1650365, 1724380, 1938020, 1983037, 2009140, 2228723, 2266328, 2310511, 2547112, 2640584, 2832910, 3128518, 3183890, 3300730, 3448760, 3876040, 3966074, 4018280, 4457446, 4532656, 4621022, 5094224, 5281168, 5665820, 6257036, 6367780, 6601460, 6897520, 7752080, 7821295, 7932148, 8036560, 8914892, 9242044, 9915185, 10949813, 11143615, 11331640, 11552555, 12514072, 12735560, 13202920, 15642590, 15864296, 17829784, 18484088, 19830370, 21899626, 22287230, 22663280, 23105110, 25028144, 25471120, 26405840, 31285180, 31728592, 35659568, 35977957, 36968176, 39660740, 43799252, 44574460, 46210220, 54749065, 62570360, 71955914, 79321480, 87598504, 89148920, 92420440, 109498130, 125140720, 143911828, 158642960, 175197008, 178297840, 179889785, 184840880, 218996260, 251845699, 287823656, 359779570, 437992520, 503691398, 575647312, 719559140, 875985040, 1007382796, 1259228495, 1439118280, 2014765592, 2518456990, 2878236560, 4029531184, 5036913980, 10073827960, 20147655920]

約数ペア:

[(1, 20147655920), (2, 10073827960), (4, 5036913980), (5, 4029531184), (7, 2878236560), (8, 2518456990), (10, 2014765592), (14, 1439118280), (16, 1259228495), (20, 1007382796), (23, 875985040), (28, 719559140), (35, 575647312), (40, 503691398), (46, 437992520), (56, 359779570), (70, 287823656), (80, 251845699), (92, 218996260), (109, 184840880), (112, 179889785), (113, 178297840), (115, 175197008), (127, 158642960), (140, 143911828), (161, 125140720), (184, 109498130), (218, 92420440), (226, 89148920), (230, 87598504), (254, 79321480), (280, 71955914), (322, 62570360), (368, 54749065), (436, 46210220), (452, 44574460), (460, 43799252), (508, 39660740), (545, 36968176), (560, 35977957), (565, 35659568), (635, 31728592), (644, 31285180), (763, 26405840), (791, 25471120), (805, 25028144), (872, 23105110), (889, 22663280), (904, 22287230), (920, 21899626), (1016, 19830370), (1090, 18484088), (1130, 17829784), (1270, 15864296), (1288, 15642590), (1526, 13202920), (1582, 12735560), (1610, 12514072), (1744, 11552555), (1778, 11331640), (1808, 11143615), (1840, 10949813), (2032, 9915185), (2180, 9242044), (2260, 8914892), (2507, 8036560), (2540, 7932148), (2576, 7821295), (2599, 7752080), (2921, 6897520), (3052, 6601460), (3164, 6367780), (3220, 6257036), (3556, 5665820), (3815, 5281168), (3955, 5094224), (4360, 4621022), (4445, 4532656), (4520, 4457446), (5014, 4018280), (5080, 3966074), (5198, 3876040), (5842, 3448760), (6104, 3300730), (6328, 3183890), (6440, 3128518), (7112, 2832910), (7630, 2640584), (7910, 2547112), (8720, 2310511), (8890, 2266328), (9040, 2228723), (10028, 2009140), (10160, 1983037), (10396, 1938020), (11684, 1724380), (12208, 1650365), (12317, 1635760), (12535, 1607312), (12656, 1591945), (12880, 1564259), (12995, 1550416), (13843, 1455440), (14224, 1416455), (14351, 1403920), (14605, 1379504), (15260, 1320292), (15820, 1273556), (17549, 1148080), (17780, 1133164), (18193, 1107440), (20056, 1004570), (20447, 985360), (20792, 969010), (23368, 862190), (24634, 817880), (25070, 803656), (25990, 775208), (27686, 727720), (28702, 701960), (29210, 689752), (30520, 660146), (31640, 636778), (35098, 574040), (35560, 566582), (36386, 553720), (40112, 502285), (40894, 492680), (41584, 484505), (46736, 431095), (49268, 408940), (50140, 401828), (51980, 387604), (55372, 363860), (57404, 350980), (58420, 344876), (61040, 330073), (61585, 327152), (63280, 318389), (69215, 291088), (70196, 287020), (71120, 283291), (71755, 280784), (72772, 276860), (81788, 246340), (86219, 233680), (87745, 229616), (90965, 221488), (96901, 207920), (98536, 204470), (100280, 200914), (100457, 200560), (102235, 197072), (103960, 193802), (110744, 181930), (114808, 175490), (116840, 172438), (123170, 163576), (138430, 145544), (140392, 143510)]