20567545

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 25420032

約数和(自身を除く): 4852487

約数列:

[1, 5, 43, 215, 271, 353, 1355, 1765, 11653, 15179, 58265, 75895, 95663, 478315, 4113509, 20567545]

約数ペア:

[(1, 20567545), (5, 4113509), (43, 478315), (215, 95663), (271, 75895), (353, 58265), (1355, 15179), (1765, 11653)]