20742297

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6991}}^1$

素因数の和:7060

約数の個数: 16

約数和(自身を含む): 29534208

約数和(自身を除く): 8791911

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6991, 20973, 160793, 300613, 482379, 901839, 6914099, 20742297]

約数ペア:

[(1, 20742297), (3, 6914099), (23, 901839), (43, 482379), (69, 300613), (129, 160793), (989, 20973), (2967, 6991)]