20764308992

素因数分解:

$2^9\times 7^5\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 240

約数和(自身を含む): 51350999040

約数和(自身を除く): 30586690048

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 127, 128, 133, 152, 196, 224, 254, 256, 266, 304, 343, 392, 448, 508, 512, 532, 608, 686, 784, 889, 896, 931, 1016, 1064, 1216, 1372, 1568, 1778, 1792, 1862, 2032, 2128, 2401, 2413, 2432, 2744, 3136, 3556, 3584, 3724, 4064, 4256, 4802, 4826, 4864, 5488, 6223, 6272, 6517, 7112, 7448, 8128, 8512, 9604, 9652, 9728, 10976, 12446, 12544, 13034, 14224, 14896, 16256, 16807, 16891, 17024, 19208, 19304, 21952, 24892, 25088, 26068, 28448, 29792, 32512, 33614, 33782, 34048, 38416, 38608, 43561, 43904, 45619, 49784, 52136, 56896, 59584, 65024, 67228, 67564, 68096, 76832, 77216, 87122, 87808, 91238, 99568, 104272, 113792, 118237, 119168, 134456, 135128, 153664, 154432, 174244, 175616, 182476, 199136, 208544, 227584, 236474, 238336, 268912, 270256, 304927, 307328, 308864, 319333, 348488, 364952, 398272, 417088, 455168, 472948, 476672, 537824, 540512, 609854, 614656, 617728, 638666, 696976, 729904, 796544, 827659, 834176, 945896, 1075648, 1081024, 1219708, 1229312, 1235456, 1277332, 1393952, 1459808, 1593088, 1655318, 1668352, 1891792, 2134489, 2151296, 2162048, 2439416, 2554664, 2787904, 2919616, 3186176, 3310636, 3336704, 3783584, 4268978, 4302592, 4324096, 4878832, 5109328, 5575808, 5793613, 5839232, 6621272, 7567168, 8537956, 8605184, 8648192, 9757664, 10218656, 11151616, 11587226, 11678464, 13242544, 15134336, 17075912, 19515328, 20437312, 22303232, 23174452, 23356928, 26485088, 30268672, 34151824, 39030656, 40555291, 40874624, 46348904, 52970176, 60537344, 68303648, 78061312, 81110582, 81749248, 92697808, 105940352, 136607296, 156122624, 162221164, 163498496, 185395616, 211880704, 273214592, 324442328, 370791232, 423761408, 546429184, 648884656, 741582464, 1092858368, 1297769312, 1483164928, 2595538624, 2966329856, 5191077248, 10382154496, 20764308992]

約数ペア:

[(1, 20764308992), (2, 10382154496), (4, 5191077248), (7, 2966329856), (8, 2595538624), (14, 1483164928), (16, 1297769312), (19, 1092858368), (28, 741582464), (32, 648884656), (38, 546429184), (49, 423761408), (56, 370791232), (64, 324442328), (76, 273214592), (98, 211880704), (112, 185395616), (127, 163498496), (128, 162221164), (133, 156122624), (152, 136607296), (196, 105940352), (224, 92697808), (254, 81749248), (256, 81110582), (266, 78061312), (304, 68303648), (343, 60537344), (392, 52970176), (448, 46348904), (508, 40874624), (512, 40555291), (532, 39030656), (608, 34151824), (686, 30268672), (784, 26485088), (889, 23356928), (896, 23174452), (931, 22303232), (1016, 20437312), (1064, 19515328), (1216, 17075912), (1372, 15134336), (1568, 13242544), (1778, 11678464), (1792, 11587226), (1862, 11151616), (2032, 10218656), (2128, 9757664), (2401, 8648192), (2413, 8605184), (2432, 8537956), (2744, 7567168), (3136, 6621272), (3556, 5839232), (3584, 5793613), (3724, 5575808), (4064, 5109328), (4256, 4878832), (4802, 4324096), (4826, 4302592), (4864, 4268978), (5488, 3783584), (6223, 3336704), (6272, 3310636), (6517, 3186176), (7112, 2919616), (7448, 2787904), (8128, 2554664), (8512, 2439416), (9604, 2162048), (9652, 2151296), (9728, 2134489), (10976, 1891792), (12446, 1668352), (12544, 1655318), (13034, 1593088), (14224, 1459808), (14896, 1393952), (16256, 1277332), (16807, 1235456), (16891, 1229312), (17024, 1219708), (19208, 1081024), (19304, 1075648), (21952, 945896), (24892, 834176), (25088, 827659), (26068, 796544), (28448, 729904), (29792, 696976), (32512, 638666), (33614, 617728), (33782, 614656), (34048, 609854), (38416, 540512), (38608, 537824), (43561, 476672), (43904, 472948), (45619, 455168), (49784, 417088), (52136, 398272), (56896, 364952), (59584, 348488), (65024, 319333), (67228, 308864), (67564, 307328), (68096, 304927), (76832, 270256), (77216, 268912), (87122, 238336), (87808, 236474), (91238, 227584), (99568, 208544), (104272, 199136), (113792, 182476), (118237, 175616), (119168, 174244), (134456, 154432), (135128, 153664)]