16820293

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 20559744

約数和(自身を除く): 3739451

約数列:

[1, 7, 17, 107, 119, 749, 1321, 1819, 9247, 12733, 22457, 141347, 157199, 989429, 2402899, 16820293]

約数ペア:

[(1, 16820293), (7, 2402899), (17, 989429), (107, 157199), (119, 141347), (749, 22457), (1321, 12733), (1819, 9247)]