10205020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{72893}}^1$

素因数の和:72909

約数の個数: 24

約数和(自身を含む): 24492384

約数和(自身を除く): 14287364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 72893, 145786, 291572, 364465, 510251, 728930, 1020502, 1457860, 2041004, 2551255, 5102510, 10205020]

約数ペア:

[(1, 10205020), (2, 5102510), (4, 2551255), (5, 2041004), (7, 1457860), (10, 1020502), (14, 728930), (20, 510251), (28, 364465), (35, 291572), (70, 145786), (140, 72893)]