16805660

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1021}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 35369376

約数和(自身を除く): 18563716

約数列:

[1, 2, 4, 5, 10, 20, 823, 1021, 1646, 2042, 3292, 4084, 4115, 5105, 8230, 10210, 16460, 20420, 840283, 1680566, 3361132, 4201415, 8402830, 16805660]

約数ペア:

[(1, 16805660), (2, 8402830), (4, 4201415), (5, 3361132), (10, 1680566), (20, 840283), (823, 20420), (1021, 16460), (1646, 10210), (2042, 8230), (3292, 5105), (4084, 4115)]