20539127

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 24141312

約数和(自身を除く): 3602185

約数列:

[1, 7, 61, 103, 427, 467, 721, 3269, 6283, 28487, 43981, 48101, 199409, 336707, 2934161, 20539127]

約数ペア:

[(1, 20539127), (7, 2934161), (61, 336707), (103, 199409), (427, 48101), (467, 43981), (721, 28487), (3269, 6283)]