20399104

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{1811}}^1$

素因数の和:1842

約数の個数: 44

約数和(自身を含む): 44509968

約数和(自身を除く): 24110864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1024, 1408, 1811, 2816, 3622, 5632, 7244, 11264, 14488, 19921, 28976, 39842, 57952, 79684, 115904, 159368, 231808, 318736, 463616, 637472, 927232, 1274944, 1854464, 2549888, 5099776, 10199552, 20399104]

約数ペア:

[(1, 20399104), (2, 10199552), (4, 5099776), (8, 2549888), (11, 1854464), (16, 1274944), (22, 927232), (32, 637472), (44, 463616), (64, 318736), (88, 231808), (128, 159368), (176, 115904), (256, 79684), (352, 57952), (512, 39842), (704, 28976), (1024, 19921), (1408, 14488), (1811, 11264), (2816, 7244), (3622, 5632)]