20884713

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7039}}^1$

素因数の和:7108

約数の個数: 16

約数和(自身を含む): 29736960

約数和(自身を除く): 8852247

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 7039, 21117, 161897, 302677, 485691, 908031, 6961571, 20884713]

約数ペア:

[(1, 20884713), (3, 6961571), (23, 908031), (43, 485691), (69, 302677), (129, 161897), (989, 21117), (2967, 7039)]