20904818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{3613}}^1$

素因数の和:3889

約数の個数: 16

約数和(自身を含む): 34347456

約数和(自身を除く): 13442638

約数列:

[1, 2, 11, 22, 263, 526, 2893, 3613, 5786, 7226, 39743, 79486, 950219, 1900438, 10452409, 20904818]

約数ペア:

[(1, 20904818), (2, 10452409), (11, 1900438), (22, 950219), (263, 79486), (526, 39743), (2893, 7226), (3613, 5786)]