20877540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347959}}^1$

素因数の和:347971

約数の個数: 24

約数和(自身を含む): 58457280

約数和(自身を除く): 37579740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347959, 695918, 1043877, 1391836, 1739795, 2087754, 3479590, 4175508, 5219385, 6959180, 10438770, 20877540]

約数ペア:

[(1, 20877540), (2, 10438770), (3, 6959180), (4, 5219385), (5, 4175508), (6, 3479590), (10, 2087754), (12, 1739795), (15, 1391836), (20, 1043877), (30, 695918), (60, 347959)]