20816594

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:665

約数の個数: 16

約数和(自身を含む): 31660800

約数和(自身を除く): 10844206

約数列:

[1, 2, 193, 199, 271, 386, 398, 542, 38407, 52303, 53929, 76814, 104606, 107858, 10408297, 20816594]

約数ペア:

[(1, 20816594), (2, 10408297), (193, 107858), (199, 104606), (271, 76814), (386, 53929), (398, 52303), (542, 38407)]