20899681418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135712217}}^1$

素因数の和:135712237

約数の個数: 16

約数和(自身を含む): 39085118784

約数和(自身を除く): 18185437366

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135712217, 271424434, 949985519, 1492834387, 1899971038, 2985668774, 10449840709, 20899681418]

約数ペア:

[(1, 20899681418), (2, 10449840709), (7, 2985668774), (11, 1899971038), (14, 1492834387), (22, 949985519), (77, 271424434), (154, 135712217)]