20287510

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5297}}^1$

素因数の和:5687

約数の個数: 16

約数和(自身を含む): 36619776

約数和(自身を除く): 16332266

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 5297, 10594, 26485, 52970, 2028751, 4057502, 10143755, 20287510]

約数ペア:

[(1, 20287510), (2, 10143755), (5, 4057502), (10, 2028751), (383, 52970), (766, 26485), (1915, 10594), (3830, 5297)]