20949112

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9319}}^1$

素因数の和:9606

約数の個数: 16

約数和(自身を含む): 39423600

約数和(自身を除く): 18474488

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9319, 18638, 37276, 74552, 2618639, 5237278, 10474556, 20949112]

約数ペア:

[(1, 20949112), (2, 10474556), (4, 5237278), (8, 2618639), (281, 74552), (562, 37276), (1124, 18638), (2248, 9319)]