20438121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{3209}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 29891520

約数和(自身を除く): 9453399

約数列:

[1, 3, 11, 33, 193, 579, 2123, 3209, 6369, 9627, 35299, 105897, 619337, 1858011, 6812707, 20438121]

約数ペア:

[(1, 20438121), (3, 6812707), (11, 1858011), (33, 619337), (193, 105897), (579, 35299), (2123, 9627), (3209, 6369)]