20439387

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{337}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 31004064

約数和(自身を除く): 10564677

約数列:

[1, 3, 9, 23, 69, 207, 293, 337, 879, 1011, 2637, 3033, 6739, 7751, 20217, 23253, 60651, 69759, 98741, 296223, 888669, 2271043, 6813129, 20439387]

約数ペア:

[(1, 20439387), (3, 6813129), (9, 2271043), (23, 888669), (69, 296223), (207, 98741), (293, 69759), (337, 60651), (879, 23253), (1011, 20217), (2637, 7751), (3033, 6739)]