20426007

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51193}}^1$

素因数の和:51222

約数の個数: 16

約数和(自身を含む): 32764160

約数和(自身を除く): 12338153

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51193, 153579, 358351, 972667, 1075053, 2918001, 6808669, 20426007]

約数ペア:

[(1, 20426007), (3, 6808669), (7, 2918001), (19, 1075053), (21, 972667), (57, 358351), (133, 153579), (399, 51193)]