9905660

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2221}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 20904576

約数和(自身を除く): 10998916

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2221, 2230, 4442, 4460, 8884, 11105, 22210, 44420, 495283, 990566, 1981132, 2476415, 4952830, 9905660]

約数ペア:

[(1, 9905660), (2, 4952830), (4, 2476415), (5, 1981132), (10, 990566), (20, 495283), (223, 44420), (446, 22210), (892, 11105), (1115, 8884), (2221, 4460), (2230, 4442)]