20123109

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{117679}}^1$

素因数の和:117704

約数の個数: 12

約数和(自身を含む): 30596800

約数和(自身を除く): 10473691

約数列:

[1, 3, 9, 19, 57, 171, 117679, 353037, 1059111, 2235901, 6707703, 20123109]

約数ペア:

[(1, 20123109), (3, 6707703), (9, 2235901), (19, 1059111), (57, 353037), (171, 117679)]