20552813

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 18

約数和(自身を含む): 23159466

約数和(自身を除く): 2606653

約数列:

[1, 17, 19, 197, 289, 323, 361, 3349, 3743, 5491, 6137, 56933, 63631, 71117, 104329, 1081727, 1208989, 20552813]

約数ペア:

[(1, 20552813), (17, 1208989), (19, 1081727), (197, 104329), (289, 71117), (323, 63631), (361, 56933), (3349, 6137), (3743, 5491)]