20547072

素因数分解:

$2^9\times 3^2\times 7^3\times {\mathrm{13}}^1$

素因数の和:58

約数の個数: 240

約数和(自身を含む): 74474400

約数和(自身を除く): 53927328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 64, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 128, 144, 147, 156, 168, 182, 192, 196, 208, 224, 234, 252, 256, 273, 288, 294, 312, 336, 343, 364, 384, 392, 416, 441, 448, 468, 504, 512, 546, 576, 588, 624, 637, 672, 686, 728, 768, 784, 819, 832, 882, 896, 936, 1008, 1029, 1092, 1152, 1176, 1248, 1274, 1344, 1372, 1456, 1536, 1568, 1638, 1664, 1764, 1792, 1872, 1911, 2016, 2058, 2184, 2304, 2352, 2496, 2548, 2688, 2744, 2912, 3087, 3136, 3276, 3328, 3528, 3584, 3744, 3822, 4032, 4116, 4368, 4459, 4608, 4704, 4992, 5096, 5376, 5488, 5733, 5824, 6174, 6272, 6552, 6656, 7056, 7488, 7644, 8064, 8232, 8736, 8918, 9408, 9984, 10192, 10752, 10976, 11466, 11648, 12348, 12544, 13104, 13377, 14112, 14976, 15288, 16128, 16464, 17472, 17836, 18816, 19968, 20384, 21952, 22932, 23296, 24696, 25088, 26208, 26754, 28224, 29952, 30576, 32256, 32928, 34944, 35672, 37632, 40131, 40768, 43904, 45864, 46592, 49392, 52416, 53508, 56448, 59904, 61152, 65856, 69888, 71344, 75264, 80262, 81536, 87808, 91728, 98784, 104832, 107016, 112896, 122304, 131712, 139776, 142688, 160524, 163072, 175616, 183456, 197568, 209664, 214032, 225792, 244608, 263424, 285376, 321048, 326144, 366912, 395136, 419328, 428064, 489216, 526848, 570752, 642096, 733824, 790272, 856128, 978432, 1141504, 1284192, 1467648, 1580544, 1712256, 2283008, 2568384, 2935296, 3424512, 5136768, 6849024, 10273536, 20547072]

約数ペア:

[(1, 20547072), (2, 10273536), (3, 6849024), (4, 5136768), (6, 3424512), (7, 2935296), (8, 2568384), (9, 2283008), (12, 1712256), (13, 1580544), (14, 1467648), (16, 1284192), (18, 1141504), (21, 978432), (24, 856128), (26, 790272), (28, 733824), (32, 642096), (36, 570752), (39, 526848), (42, 489216), (48, 428064), (49, 419328), (52, 395136), (56, 366912), (63, 326144), (64, 321048), (72, 285376), (78, 263424), (84, 244608), (91, 225792), (96, 214032), (98, 209664), (104, 197568), (112, 183456), (117, 175616), (126, 163072), (128, 160524), (144, 142688), (147, 139776), (156, 131712), (168, 122304), (182, 112896), (192, 107016), (196, 104832), (208, 98784), (224, 91728), (234, 87808), (252, 81536), (256, 80262), (273, 75264), (288, 71344), (294, 69888), (312, 65856), (336, 61152), (343, 59904), (364, 56448), (384, 53508), (392, 52416), (416, 49392), (441, 46592), (448, 45864), (468, 43904), (504, 40768), (512, 40131), (546, 37632), (576, 35672), (588, 34944), (624, 32928), (637, 32256), (672, 30576), (686, 29952), (728, 28224), (768, 26754), (784, 26208), (819, 25088), (832, 24696), (882, 23296), (896, 22932), (936, 21952), (1008, 20384), (1029, 19968), (1092, 18816), (1152, 17836), (1176, 17472), (1248, 16464), (1274, 16128), (1344, 15288), (1372, 14976), (1456, 14112), (1536, 13377), (1568, 13104), (1638, 12544), (1664, 12348), (1764, 11648), (1792, 11466), (1872, 10976), (1911, 10752), (2016, 10192), (2058, 9984), (2184, 9408), (2304, 8918), (2352, 8736), (2496, 8232), (2548, 8064), (2688, 7644), (2744, 7488), (2912, 7056), (3087, 6656), (3136, 6552), (3276, 6272), (3328, 6174), (3528, 5824), (3584, 5733), (3744, 5488), (3822, 5376), (4032, 5096), (4116, 4992), (4368, 4704), (4459, 4608)]