20597311

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 24917760

約数和(自身を除く): 4320449

約数列:

[1, 7, 19, 133, 251, 617, 1757, 4319, 4769, 11723, 33383, 82061, 154867, 1084069, 2942473, 20597311]

約数ペア:

[(1, 20597311), (7, 2942473), (19, 1084069), (133, 154867), (251, 82061), (617, 33383), (1757, 11723), (4319, 4769)]