20627908

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2087}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 41392512

約数和(自身を除く): 20764604

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1412, 2087, 2471, 4174, 4942, 8348, 9884, 14609, 29218, 58436, 736711, 1473422, 2946844, 5156977, 10313954, 20627908]

約数ペア:

[(1, 20627908), (2, 10313954), (4, 5156977), (7, 2946844), (14, 1473422), (28, 736711), (353, 58436), (706, 29218), (1412, 14609), (2087, 9884), (2471, 8348), (4174, 4942)]