20558656

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2311}}^1$

素因数の和:2462

約数の個数: 28

約数和(自身を含む): 41107360

約数和(自身を除く): 20548704

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2311, 4448, 4622, 8896, 9244, 18488, 36976, 73952, 147904, 321229, 642458, 1284916, 2569832, 5139664, 10279328, 20558656]

約数ペア:

[(1, 20558656), (2, 10279328), (4, 5139664), (8, 2569832), (16, 1284916), (32, 642458), (64, 321229), (139, 147904), (278, 73952), (556, 36976), (1112, 18488), (2224, 9244), (2311, 8896), (4448, 4622)]