20404403

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 22404096

約数和(自身を除く): 1999693

約数列:

[1, 17, 43, 103, 271, 731, 1751, 4429, 4607, 11653, 27913, 75293, 198101, 474521, 1200259, 20404403]

約数ペア:

[(1, 20404403), (17, 1200259), (43, 474521), (103, 198101), (271, 75293), (731, 27913), (1751, 11653), (4429, 4607)]