20279709

素因数分解:

$3^2\times {\mathrm{631}}^1\times {\mathrm{3571}}^1$

素因数の和:4208

約数の個数: 12

約数和(自身を含む): 29347552

約数和(自身を除く): 9067843

約数列:

[1, 3, 9, 631, 1893, 3571, 5679, 10713, 32139, 2253301, 6759903, 20279709]

約数ペア:

[(1, 20279709), (3, 6759903), (9, 2253301), (631, 32139), (1893, 10713), (3571, 5679)]