20091331

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90911}}^1$

素因数の和:90941

約数の個数: 8

約数和(自身を含む): 22909824

約数和(自身を除く): 2818493

約数列:

[1, 13, 17, 221, 90911, 1181843, 1545487, 20091331]

約数ペア:

[(1, 20091331), (13, 1545487), (17, 1181843), (221, 90911)]