16906220

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{953}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 35580384

約数和(自身を除く): 18674164

約数列:

[1, 2, 4, 5, 10, 20, 887, 953, 1774, 1906, 3548, 3812, 4435, 4765, 8870, 9530, 17740, 19060, 845311, 1690622, 3381244, 4226555, 8453110, 16906220]

約数ペア:

[(1, 16906220), (2, 8453110), (4, 4226555), (5, 3381244), (10, 1690622), (20, 845311), (887, 19060), (953, 17740), (1774, 9530), (1906, 8870), (3548, 4765), (3812, 4435)]