20473906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4943}}^1$

素因数の和:5073

約数の個数: 16

約数和(自身を含む): 32630400

約数和(自身を除く): 12156494

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4943, 9886, 93917, 187834, 538787, 1077574, 10236953, 20473906]

約数ペア:

[(1, 20473906), (2, 10236953), (19, 1077574), (38, 538787), (109, 187834), (218, 93917), (2071, 9886), (4142, 4943)]