20817412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67589}}^1$

素因数の和:67611

約数の個数: 24

約数和(自身を含む): 45420480

約数和(自身を除く): 24603068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67589, 135178, 270356, 473123, 743479, 946246, 1486958, 1892492, 2973916, 5204353, 10408706, 20817412]

約数ペア:

[(1, 20817412), (2, 10408706), (4, 5204353), (7, 2973916), (11, 1892492), (14, 1486958), (22, 946246), (28, 743479), (44, 473123), (77, 270356), (154, 135178), (308, 67589)]