20478027

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{641}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 28597248

約数和(自身を除く): 8119221

約数列:

[1, 3, 23, 69, 463, 641, 1389, 1923, 10649, 14743, 31947, 44229, 296783, 890349, 6826009, 20478027]

約数ペア:

[(1, 20478027), (3, 6826009), (23, 890349), (69, 296783), (463, 44229), (641, 31947), (1389, 14743), (1923, 10649)]