20748435456

素因数分解:

$2^{18}\times 3^1\times 7^1\times {\mathrm{3769}}^1$

素因数の和:3815

約数の個数: 152

約数和(自身を含む): 63249983680

約数和(自身を除く): 42501548224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1024, 1344, 1536, 1792, 2048, 2688, 3072, 3584, 3769, 4096, 5376, 6144, 7168, 7538, 8192, 10752, 11307, 12288, 14336, 15076, 16384, 21504, 22614, 24576, 26383, 28672, 30152, 32768, 43008, 45228, 49152, 52766, 57344, 60304, 65536, 79149, 86016, 90456, 98304, 105532, 114688, 120608, 131072, 158298, 172032, 180912, 196608, 211064, 229376, 241216, 262144, 316596, 344064, 361824, 393216, 422128, 458752, 482432, 633192, 688128, 723648, 786432, 844256, 917504, 964864, 1266384, 1376256, 1447296, 1688512, 1835008, 1929728, 2532768, 2752512, 2894592, 3377024, 3859456, 5065536, 5505024, 5789184, 6754048, 7718912, 10131072, 11578368, 13508096, 15437824, 20262144, 23156736, 27016192, 30875648, 40524288, 46313472, 54032384, 61751296, 81048576, 92626944, 108064768, 123502592, 162097152, 185253888, 216129536, 247005184, 324194304, 370507776, 432259072, 494010368, 648388608, 741015552, 864518144, 988020736, 1296777216, 1482031104, 1729036288, 2593554432, 2964062208, 3458072576, 5187108864, 6916145152, 10374217728, 20748435456]

約数ペア:

[(1, 20748435456), (2, 10374217728), (3, 6916145152), (4, 5187108864), (6, 3458072576), (7, 2964062208), (8, 2593554432), (12, 1729036288), (14, 1482031104), (16, 1296777216), (21, 988020736), (24, 864518144), (28, 741015552), (32, 648388608), (42, 494010368), (48, 432259072), (56, 370507776), (64, 324194304), (84, 247005184), (96, 216129536), (112, 185253888), (128, 162097152), (168, 123502592), (192, 108064768), (224, 92626944), (256, 81048576), (336, 61751296), (384, 54032384), (448, 46313472), (512, 40524288), (672, 30875648), (768, 27016192), (896, 23156736), (1024, 20262144), (1344, 15437824), (1536, 13508096), (1792, 11578368), (2048, 10131072), (2688, 7718912), (3072, 6754048), (3584, 5789184), (3769, 5505024), (4096, 5065536), (5376, 3859456), (6144, 3377024), (7168, 2894592), (7538, 2752512), (8192, 2532768), (10752, 1929728), (11307, 1835008), (12288, 1688512), (14336, 1447296), (15076, 1376256), (16384, 1266384), (21504, 964864), (22614, 917504), (24576, 844256), (26383, 786432), (28672, 723648), (30152, 688128), (32768, 633192), (43008, 482432), (45228, 458752), (49152, 422128), (52766, 393216), (57344, 361824), (60304, 344064), (65536, 316596), (79149, 262144), (86016, 241216), (90456, 229376), (98304, 211064), (105532, 196608), (114688, 180912), (120608, 172032), (131072, 158298)]