20161497868

素因数分解:

$2^2\times {\mathrm{1019}}^1\times {\mathrm{4946393}}^1$

素因数の和:4947416

約数の個数: 12

約数和(自身を含む): 35317253160

約数和(自身を除く): 15155755292

約数列:

[1, 2, 4, 1019, 2038, 4076, 4946393, 9892786, 19785572, 5040374467, 10080748934, 20161497868]

約数ペア:

[(1, 20161497868), (2, 10080748934), (4, 5040374467), (1019, 19785572), (2038, 9892786), (4076, 4946393)]