20786576

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11497}}^1$

素因数の和:11618

約数の個数: 20

約数和(自身を含む): 40633932

約数和(自身を除く): 19847356

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11497, 22994, 45988, 91976, 183952, 1299161, 2598322, 5196644, 10393288, 20786576]

約数ペア:

[(1, 20786576), (2, 10393288), (4, 5196644), (8, 2598322), (16, 1299161), (113, 183952), (226, 91976), (452, 45988), (904, 22994), (1808, 11497)]