20383142139

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31898501}}^1$

素因数の和:31898578

約数の個数: 12

約数和(自身を含む): 29856997872

約数和(自身を除く): 9473855733

約数列:

[1, 3, 9, 71, 213, 639, 31898501, 95695503, 287086509, 2264793571, 6794380713, 20383142139]

約数ペア:

[(1, 20383142139), (3, 6794380713), (9, 2264793571), (71, 287086509), (213, 95695503), (639, 31898501)]