20174791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3037}}^1$

素因数の和:3130

約数の個数: 16

約数和(自身を含む): 25178944

約数和(自身を除く): 5004153

約数列:

[1, 7, 13, 73, 91, 511, 949, 3037, 6643, 21259, 39481, 221701, 276367, 1551907, 2882113, 20174791]

約数ペア:

[(1, 20174791), (7, 2882113), (13, 1551907), (73, 276367), (91, 221701), (511, 39481), (949, 21259), (3037, 6643)]