20998107648

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1109}}^1$

素因数の和:1727

約数の個数: 240

約数和(自身を含む): 69439930560

約数和(自身を除く): 48441822912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 587, 672, 768, 896, 1008, 1109, 1152, 1174, 1344, 1536, 1761, 1792, 2016, 2218, 2304, 2348, 2688, 3327, 3522, 3584, 4032, 4109, 4436, 4608, 4696, 5283, 5376, 6654, 7044, 7763, 8064, 8218, 8872, 9392, 9981, 10566, 10752, 12327, 13308, 14088, 15526, 16128, 16436, 17744, 18784, 19962, 21132, 23289, 24654, 26616, 28176, 31052, 32256, 32872, 35488, 36981, 37568, 39924, 42264, 46578, 49308, 53232, 56352, 62104, 65744, 69867, 70976, 73962, 75136, 79848, 84528, 93156, 98616, 106464, 112704, 124208, 131488, 139734, 141952, 147924, 150272, 159696, 169056, 186312, 197232, 212928, 225408, 248416, 262976, 279468, 283904, 295848, 300544, 319392, 338112, 372624, 394464, 425856, 450816, 496832, 525952, 558936, 567808, 591696, 638784, 650983, 676224, 745248, 788928, 851712, 901632, 993664, 1051904, 1117872, 1183392, 1277568, 1301966, 1352448, 1490496, 1577856, 1703424, 1952949, 1987328, 2103808, 2235744, 2366784, 2555136, 2603932, 2704896, 2980992, 3155712, 3905898, 3974656, 4471488, 4556881, 4733568, 5110272, 5207864, 5858847, 5961984, 6311424, 7811796, 8942976, 9113762, 9467136, 10415728, 11717694, 11923968, 13670643, 15623592, 17885952, 18227524, 18934272, 20831456, 23435388, 27341286, 31247184, 35771904, 36455048, 41011929, 41662912, 46870776, 54682572, 62494368, 72910096, 82023858, 83325824, 93741552, 109365144, 124988736, 145820192, 164047716, 166651648, 187483104, 218730288, 249977472, 291640384, 328095432, 333303296, 374966208, 437460576, 499954944, 583280768, 656190864, 749932416, 874921152, 999909888, 1166561536, 1312381728, 1499864832, 1749842304, 2333123072, 2624763456, 2999729664, 3499684608, 5249526912, 6999369216, 10499053824, 20998107648]

約数ペア:

[(1, 20998107648), (2, 10499053824), (3, 6999369216), (4, 5249526912), (6, 3499684608), (7, 2999729664), (8, 2624763456), (9, 2333123072), (12, 1749842304), (14, 1499864832), (16, 1312381728), (18, 1166561536), (21, 999909888), (24, 874921152), (28, 749932416), (32, 656190864), (36, 583280768), (42, 499954944), (48, 437460576), (56, 374966208), (63, 333303296), (64, 328095432), (72, 291640384), (84, 249977472), (96, 218730288), (112, 187483104), (126, 166651648), (128, 164047716), (144, 145820192), (168, 124988736), (192, 109365144), (224, 93741552), (252, 83325824), (256, 82023858), (288, 72910096), (336, 62494368), (384, 54682572), (448, 46870776), (504, 41662912), (512, 41011929), (576, 36455048), (587, 35771904), (672, 31247184), (768, 27341286), (896, 23435388), (1008, 20831456), (1109, 18934272), (1152, 18227524), (1174, 17885952), (1344, 15623592), (1536, 13670643), (1761, 11923968), (1792, 11717694), (2016, 10415728), (2218, 9467136), (2304, 9113762), (2348, 8942976), (2688, 7811796), (3327, 6311424), (3522, 5961984), (3584, 5858847), (4032, 5207864), (4109, 5110272), (4436, 4733568), (4608, 4556881), (4696, 4471488), (5283, 3974656), (5376, 3905898), (6654, 3155712), (7044, 2980992), (7763, 2704896), (8064, 2603932), (8218, 2555136), (8872, 2366784), (9392, 2235744), (9981, 2103808), (10566, 1987328), (10752, 1952949), (12327, 1703424), (13308, 1577856), (14088, 1490496), (15526, 1352448), (16128, 1301966), (16436, 1277568), (17744, 1183392), (18784, 1117872), (19962, 1051904), (21132, 993664), (23289, 901632), (24654, 851712), (26616, 788928), (28176, 745248), (31052, 676224), (32256, 650983), (32872, 638784), (35488, 591696), (36981, 567808), (37568, 558936), (39924, 525952), (42264, 496832), (46578, 450816), (49308, 425856), (53232, 394464), (56352, 372624), (62104, 338112), (65744, 319392), (69867, 300544), (70976, 295848), (73962, 283904), (75136, 279468), (79848, 262976), (84528, 248416), (93156, 225408), (98616, 212928), (106464, 197232), (112704, 186312), (124208, 169056), (131488, 159696), (139734, 150272), (141952, 147924)]