20548864

素因数分解:

$2^8\times 7^1\times {\mathrm{11467}}^1$

素因数の和:11490

約数の個数: 36

約数和(自身を含む): 46881184

約数和(自身を除く): 26332320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11467, 22934, 45868, 80269, 91736, 160538, 183472, 321076, 366944, 642152, 733888, 1284304, 1467776, 2568608, 2935552, 5137216, 10274432, 20548864]

約数ペア:

[(1, 20548864), (2, 10274432), (4, 5137216), (7, 2935552), (8, 2568608), (14, 1467776), (16, 1284304), (28, 733888), (32, 642152), (56, 366944), (64, 321076), (112, 183472), (128, 160538), (224, 91736), (256, 80269), (448, 45868), (896, 22934), (1792, 11467)]