20886736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100417}}^1$

素因数の和:100438

約数の個数: 20

約数和(自身を含む): 43581412

約数和(自身を除く): 22694676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100417, 200834, 401668, 803336, 1305421, 1606672, 2610842, 5221684, 10443368, 20886736]

約数ペア:

[(1, 20886736), (2, 10443368), (4, 5221684), (8, 2610842), (13, 1606672), (16, 1305421), (26, 803336), (52, 401668), (104, 200834), (208, 100417)]