20670448

素因数分解:

$2^4\times {\mathrm{577}}^1\times {\mathrm{2239}}^1$

素因数の和:2824

約数の個数: 20

約数和(自身を含む): 40136320

約数和(自身を除く): 19465872

約数列:

[1, 2, 4, 8, 16, 577, 1154, 2239, 2308, 4478, 4616, 8956, 9232, 17912, 35824, 1291903, 2583806, 5167612, 10335224, 20670448]

約数ペア:

[(1, 20670448), (2, 10335224), (4, 5167612), (8, 2583806), (16, 1291903), (577, 35824), (1154, 17912), (2239, 9232), (2308, 8956), (4478, 4616)]