20006981

素因数分解:

${\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:548

約数の個数: 12

約数和(自身を含む): 21310092

約数和(自身を除く): 1303111

約数列:

[1, 19, 157, 353, 361, 2983, 6707, 55421, 56677, 127433, 1052999, 20006981]

約数ペア:

[(1, 20006981), (19, 1052999), (157, 127433), (353, 56677), (361, 55421), (2983, 6707)]