20348928

素因数分解:

$2^{15}\times 3^3\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 128

約数和(自身を含む): 62913600

約数和(自身を除く): 42564672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 207, 216, 256, 276, 288, 368, 384, 414, 432, 512, 552, 576, 621, 736, 768, 828, 864, 1024, 1104, 1152, 1242, 1472, 1536, 1656, 1728, 2048, 2208, 2304, 2484, 2944, 3072, 3312, 3456, 4096, 4416, 4608, 4968, 5888, 6144, 6624, 6912, 8192, 8832, 9216, 9936, 11776, 12288, 13248, 13824, 16384, 17664, 18432, 19872, 23552, 24576, 26496, 27648, 32768, 35328, 36864, 39744, 47104, 49152, 52992, 55296, 70656, 73728, 79488, 94208, 98304, 105984, 110592, 141312, 147456, 158976, 188416, 211968, 221184, 282624, 294912, 317952, 376832, 423936, 442368, 565248, 635904, 753664, 847872, 884736, 1130496, 1271808, 1695744, 2260992, 2543616, 3391488, 5087232, 6782976, 10174464, 20348928]

約数ペア:

[(1, 20348928), (2, 10174464), (3, 6782976), (4, 5087232), (6, 3391488), (8, 2543616), (9, 2260992), (12, 1695744), (16, 1271808), (18, 1130496), (23, 884736), (24, 847872), (27, 753664), (32, 635904), (36, 565248), (46, 442368), (48, 423936), (54, 376832), (64, 317952), (69, 294912), (72, 282624), (92, 221184), (96, 211968), (108, 188416), (128, 158976), (138, 147456), (144, 141312), (184, 110592), (192, 105984), (207, 98304), (216, 94208), (256, 79488), (276, 73728), (288, 70656), (368, 55296), (384, 52992), (414, 49152), (432, 47104), (512, 39744), (552, 36864), (576, 35328), (621, 32768), (736, 27648), (768, 26496), (828, 24576), (864, 23552), (1024, 19872), (1104, 18432), (1152, 17664), (1242, 16384), (1472, 13824), (1536, 13248), (1656, 12288), (1728, 11776), (2048, 9936), (2208, 9216), (2304, 8832), (2484, 8192), (2944, 6912), (3072, 6624), (3312, 6144), (3456, 5888), (4096, 4968), (4416, 4608)]