220348540

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{12421}}^1$

素因数の和:13317

約数の個数: 24

約数和(自身を含む): 463290912

約数和(自身を除く): 242942372

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 12421, 17740, 24842, 49684, 62105, 124210, 248420, 11017427, 22034854, 44069708, 55087135, 110174270, 220348540]

約数ペア:

[(1, 220348540), (2, 110174270), (4, 55087135), (5, 44069708), (10, 22034854), (20, 11017427), (887, 248420), (1774, 124210), (3548, 62105), (4435, 49684), (8870, 24842), (12421, 17740)]