20970292

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6871}}^1$

素因数の和:6991

約数の個数: 24

約数和(自身を含む): 42331520

約数和(自身を除く): 21361228

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6871, 13742, 27484, 48097, 96194, 192388, 748939, 1497878, 2995756, 5242573, 10485146, 20970292]

約数ペア:

[(1, 20970292), (2, 10485146), (4, 5242573), (7, 2995756), (14, 1497878), (28, 748939), (109, 192388), (218, 96194), (436, 48097), (763, 27484), (1526, 13742), (3052, 6871)]