20853597527

素因数分解:

$7^2\times {\mathrm{431}}^1\times {\mathrm{987433}}^1$

素因数の和:987878

約数の個数: 12

約数和(自身を含む): 24314574816

約数和(自身を除く): 3460977289

約数列:

[1, 7, 49, 431, 3017, 21119, 987433, 6912031, 48384217, 425583623, 2979085361, 20853597527]

約数ペア:

[(1, 20853597527), (7, 2979085361), (49, 425583623), (431, 48384217), (3017, 6912031), (21119, 987433)]