20671089

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6967}}^1$

素因数の和:7036

約数の個数: 16

約数和(自身を含む): 29432832

約数和(自身を除く): 8761743

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6967, 20901, 160241, 299581, 480723, 898743, 6890363, 20671089]

約数ペア:

[(1, 20671089), (3, 6890363), (23, 898743), (43, 480723), (69, 299581), (129, 160241), (989, 20901), (2967, 6967)]