20520482

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{1097}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 31622400

約数和(自身を除く): 11101918

約数列:

[1, 2, 47, 94, 199, 398, 1097, 2194, 9353, 18706, 51559, 103118, 218303, 436606, 10260241, 20520482]

約数ペア:

[(1, 20520482), (2, 10260241), (47, 436606), (94, 218303), (199, 103118), (398, 51559), (1097, 18706), (2194, 9353)]