20048049

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18719}}^1$

素因数の和:18749

約数の個数: 24

約数和(自身を含む): 35043840

約数和(自身を除く): 14995791

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18719, 56157, 131033, 168471, 318223, 393099, 954669, 1179297, 2227561, 2864007, 6682683, 20048049]

約数ペア:

[(1, 20048049), (3, 6682683), (7, 2864007), (9, 2227561), (17, 1179297), (21, 954669), (51, 393099), (63, 318223), (119, 168471), (153, 131033), (357, 56157), (1071, 18719)]