16586660

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2089}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 34936440

約数和(自身を除く): 18349780

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 2089, 3970, 4178, 7940, 8356, 10445, 20890, 41780, 829333, 1658666, 3317332, 4146665, 8293330, 16586660]

約数ペア:

[(1, 16586660), (2, 8293330), (4, 4146665), (5, 3317332), (10, 1658666), (20, 829333), (397, 41780), (794, 20890), (1588, 10445), (1985, 8356), (2089, 7940), (3970, 4178)]