20851886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3373}}^1$

素因数の和:3667

約数の個数: 16

約数和(自身を含む): 34252848

約数和(自身を除く): 13400962

約数列:

[1, 2, 11, 22, 281, 562, 3091, 3373, 6182, 6746, 37103, 74206, 947813, 1895626, 10425943, 20851886]

約数ペア:

[(1, 20851886), (2, 10425943), (11, 1895626), (22, 947813), (281, 74206), (562, 37103), (3091, 6746), (3373, 6182)]