20747564

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3697}}^1$

素因数の和:3785

約数の個数: 24

約数和(自身を含む): 38518368

約数和(自身を除く): 17770804

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3697, 5612, 7394, 14788, 85031, 170062, 225517, 340124, 451034, 902068, 5186891, 10373782, 20747564]

約数ペア:

[(1, 20747564), (2, 10373782), (4, 5186891), (23, 902068), (46, 451034), (61, 340124), (92, 225517), (122, 170062), (244, 85031), (1403, 14788), (2806, 7394), (3697, 5612)]