20849059

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 27053568

約数和(自身を除く): 6204509

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 823, 2303, 3619, 5761, 9053, 25333, 38681, 40327, 63371, 270767, 425491, 443597, 1895369, 2978437, 20849059]

約数ペア:

[(1, 20849059), (7, 2978437), (11, 1895369), (47, 443597), (49, 425491), (77, 270767), (329, 63371), (517, 40327), (539, 38681), (823, 25333), (2303, 9053), (3619, 5761)]