20379219

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42193}}^1$

素因数の和:42226

約数の個数: 16

約数和(自身を含む): 32404992

約数和(自身を除く): 12025773

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42193, 126579, 295351, 886053, 970439, 2911317, 6793073, 20379219]

約数ペア:

[(1, 20379219), (3, 6793073), (7, 2911317), (21, 970439), (23, 886053), (69, 295351), (161, 126579), (483, 42193)]