20287844356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{390150853}}^1$

素因数の和:390150870

約数の個数: 12

約数和(自身を含む): 38234783692

約数和(自身を除く): 17946939336

約数列:

[1, 2, 4, 13, 26, 52, 390150853, 780301706, 1560603412, 5071961089, 10143922178, 20287844356]

約数ペア:

[(1, 20287844356), (2, 10143922178), (4, 5071961089), (13, 1560603412), (26, 780301706), (52, 390150853)]