20393296

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16553}}^1$

素因数の和:16579

約数の個数: 40

約数和(自身を含む): 49264704

約数和(自身を除く): 28871408

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16553, 33106, 66212, 115871, 132424, 182083, 231742, 264848, 364166, 463484, 728332, 926968, 1274581, 1456664, 1853936, 2549162, 2913328, 5098324, 10196648, 20393296]

約数ペア:

[(1, 20393296), (2, 10196648), (4, 5098324), (7, 2913328), (8, 2549162), (11, 1853936), (14, 1456664), (16, 1274581), (22, 926968), (28, 728332), (44, 463484), (56, 364166), (77, 264848), (88, 231742), (112, 182083), (154, 132424), (176, 115871), (308, 66212), (616, 33106), (1232, 16553)]