20471319

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{68927}}^1$

素因数の和:68947

約数の個数: 16

約数和(自身を含む): 33085440

約数和(自身を除く): 12614121

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 68927, 206781, 620343, 758197, 1861029, 2274591, 6823773, 20471319]

約数ペア:

[(1, 20471319), (3, 6823773), (9, 2274591), (11, 1861029), (27, 758197), (33, 620343), (99, 206781), (297, 68927)]