20686848

素因数分解:

$2^{11}\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 192

約数和(自身を含む): 69713280

約数和(自身を除く): 49026432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 37, 39, 42, 48, 52, 56, 64, 74, 78, 84, 91, 96, 104, 111, 112, 128, 148, 156, 168, 182, 192, 208, 222, 224, 256, 259, 273, 296, 312, 336, 364, 384, 416, 444, 448, 481, 512, 518, 546, 592, 624, 672, 728, 768, 777, 832, 888, 896, 962, 1024, 1036, 1092, 1184, 1248, 1344, 1443, 1456, 1536, 1554, 1664, 1776, 1792, 1924, 2048, 2072, 2184, 2368, 2496, 2688, 2886, 2912, 3072, 3108, 3328, 3367, 3552, 3584, 3848, 4144, 4368, 4736, 4992, 5376, 5772, 5824, 6144, 6216, 6656, 6734, 7104, 7168, 7696, 8288, 8736, 9472, 9984, 10101, 10752, 11544, 11648, 12432, 13312, 13468, 14208, 14336, 15392, 16576, 17472, 18944, 19968, 20202, 21504, 23088, 23296, 24864, 26624, 26936, 28416, 30784, 33152, 34944, 37888, 39936, 40404, 43008, 46176, 46592, 49728, 53872, 56832, 61568, 66304, 69888, 75776, 79872, 80808, 92352, 93184, 99456, 107744, 113664, 123136, 132608, 139776, 161616, 184704, 186368, 198912, 215488, 227328, 246272, 265216, 279552, 323232, 369408, 397824, 430976, 492544, 530432, 559104, 646464, 738816, 795648, 861952, 985088, 1292928, 1477632, 1591296, 1723904, 2585856, 2955264, 3447808, 5171712, 6895616, 10343424, 20686848]

約数ペア:

[(1, 20686848), (2, 10343424), (3, 6895616), (4, 5171712), (6, 3447808), (7, 2955264), (8, 2585856), (12, 1723904), (13, 1591296), (14, 1477632), (16, 1292928), (21, 985088), (24, 861952), (26, 795648), (28, 738816), (32, 646464), (37, 559104), (39, 530432), (42, 492544), (48, 430976), (52, 397824), (56, 369408), (64, 323232), (74, 279552), (78, 265216), (84, 246272), (91, 227328), (96, 215488), (104, 198912), (111, 186368), (112, 184704), (128, 161616), (148, 139776), (156, 132608), (168, 123136), (182, 113664), (192, 107744), (208, 99456), (222, 93184), (224, 92352), (256, 80808), (259, 79872), (273, 75776), (296, 69888), (312, 66304), (336, 61568), (364, 56832), (384, 53872), (416, 49728), (444, 46592), (448, 46176), (481, 43008), (512, 40404), (518, 39936), (546, 37888), (592, 34944), (624, 33152), (672, 30784), (728, 28416), (768, 26936), (777, 26624), (832, 24864), (888, 23296), (896, 23088), (962, 21504), (1024, 20202), (1036, 19968), (1092, 18944), (1184, 17472), (1248, 16576), (1344, 15392), (1443, 14336), (1456, 14208), (1536, 13468), (1554, 13312), (1664, 12432), (1776, 11648), (1792, 11544), (1924, 10752), (2048, 10101), (2072, 9984), (2184, 9472), (2368, 8736), (2496, 8288), (2688, 7696), (2886, 7168), (2912, 7104), (3072, 6734), (3108, 6656), (3328, 6216), (3367, 6144), (3552, 5824), (3584, 5772), (3848, 5376), (4144, 4992), (4368, 4736)]