20137474

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2237}}^1$

素因数の和:2889

約数の個数: 16

約数和(自身を含む): 34590528

約数和(自身を除く): 14453054

約数列:

[1, 2, 7, 14, 643, 1286, 2237, 4474, 4501, 9002, 15659, 31318, 1438391, 2876782, 10068737, 20137474]

約数ペア:

[(1, 20137474), (2, 10068737), (7, 2876782), (14, 1438391), (643, 31318), (1286, 15659), (2237, 9002), (4474, 4501)]