20505920402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1811}}^1\times {\mathrm{514681}}^1$

素因数の和:516505

約数の個数: 16

約数和(自身を含む): 33573736224

約数和(自身を除く): 13067815822

約数列:

[1, 2, 11, 22, 1811, 3622, 19921, 39842, 514681, 1029362, 5661491, 11322982, 932087291, 1864174582, 10252960201, 20505920402]

約数ペア:

[(1, 20505920402), (2, 10252960201), (11, 1864174582), (22, 932087291), (1811, 11322982), (3622, 5661491), (19921, 1029362), (39842, 514681)]