2016643568

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1247923}}^1$

素因数の和:1248032

約数の個数: 20

約数和(自身を含む): 3945935688

約数和(自身を除く): 1929292120

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1247923, 2495846, 4991692, 9983384, 19966768, 126040223, 252080446, 504160892, 1008321784, 2016643568]

約数ペア:

[(1, 2016643568), (2, 1008321784), (4, 504160892), (8, 252080446), (16, 126040223), (101, 19966768), (202, 9983384), (404, 4991692), (808, 2495846), (1616, 1247923)]