20198493668

素因数分解:

$2^2\times {\mathrm{2239}}^1\times {\mathrm{2255303}}^1$

素因数の和:2257546

約数の個数: 12

約数和(自身を含む): 35363166720

約数和(自身を除く): 15164673052

約数列:

[1, 2, 4, 2239, 4478, 8956, 2255303, 4510606, 9021212, 5049623417, 10099246834, 20198493668]

約数ペア:

[(1, 20198493668), (2, 10099246834), (4, 5049623417), (2239, 9021212), (4478, 4510606), (8956, 2255303)]