20797681

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 23531904

約数和(自身を除く): 2734223

約数列:

[1, 17, 23, 43, 391, 731, 989, 1237, 16813, 21029, 28451, 53191, 483667, 904247, 1223393, 20797681]

約数ペア:

[(1, 20797681), (17, 1223393), (23, 904247), (43, 483667), (391, 53191), (731, 28451), (989, 21029), (1237, 16813)]