20013118

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:616

約数の個数: 24

約数和(自身を含む): 32342328

約数和(自身を除く): 12329210

約数列:

[1, 2, 19, 38, 53, 106, 361, 523, 722, 1007, 1046, 2014, 9937, 19133, 19874, 27719, 38266, 55438, 188803, 377606, 526661, 1053322, 10006559, 20013118]

約数ペア:

[(1, 20013118), (2, 10006559), (19, 1053322), (38, 526661), (53, 377606), (106, 188803), (361, 55438), (523, 38266), (722, 27719), (1007, 19874), (1046, 19133), (2014, 9937)]