20398048

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 23800736

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 167, 176, 334, 347, 352, 668, 694, 1336, 1388, 1837, 2672, 2776, 3674, 3817, 5344, 5552, 7348, 7634, 11104, 14696, 15268, 29392, 30536, 57949, 58784, 61072, 115898, 122144, 231796, 463592, 637439, 927184, 1274878, 1854368, 2549756, 5099512, 10199024, 20398048]

約数ペア:

[(1, 20398048), (2, 10199024), (4, 5099512), (8, 2549756), (11, 1854368), (16, 1274878), (22, 927184), (32, 637439), (44, 463592), (88, 231796), (167, 122144), (176, 115898), (334, 61072), (347, 58784), (352, 57949), (668, 30536), (694, 29392), (1336, 15268), (1388, 14696), (1837, 11104), (2672, 7634), (2776, 7348), (3674, 5552), (3817, 5344)]