20368856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149771}}^1$

素因数の和:149794

約数の個数: 16

約数和(自身を含む): 40438440

約数和(自身を除く): 20069584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149771, 299542, 599084, 1198168, 2546107, 5092214, 10184428, 20368856]

約数ペア:

[(1, 20368856), (2, 10184428), (4, 5092214), (8, 2546107), (17, 1198168), (34, 599084), (68, 299542), (136, 149771)]