20005869

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7027}}^1$

素因数の和:7116

約数の個数: 16

約数和(自身を含む): 29124032

約数和(自身を除く): 9118163

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7027, 21081, 91351, 274053, 512971, 1538913, 6668623, 20005869]

約数ペア:

[(1, 20005869), (3, 6668623), (13, 1538913), (39, 512971), (73, 274053), (219, 91351), (949, 21081), (2847, 7027)]