204804980

素因数分解:

$2^2\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{8627}}^1$

素因数の和:9823

約数の個数: 24

約数和(自身を含む): 430502688

約数和(自身を除く): 225697708

約数列:

[1, 2, 4, 5, 10, 20, 1187, 2374, 4748, 5935, 8627, 11870, 17254, 23740, 34508, 43135, 86270, 172540, 10240249, 20480498, 40960996, 51201245, 102402490, 204804980]

約数ペア:

[(1, 204804980), (2, 102402490), (4, 51201245), (5, 40960996), (10, 20480498), (20, 10240249), (1187, 172540), (2374, 86270), (4748, 43135), (5935, 34508), (8627, 23740), (11870, 17254)]