9945020

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1433}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 20959344

約数和(自身を除く): 11014324

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1433, 1735, 2866, 3470, 5732, 6940, 7165, 14330, 28660, 497251, 994502, 1989004, 2486255, 4972510, 9945020]

約数ペア:

[(1, 9945020), (2, 4972510), (4, 2486255), (5, 1989004), (10, 994502), (20, 497251), (347, 28660), (694, 14330), (1388, 7165), (1433, 6940), (1735, 5732), (2866, 3470)]