20106393

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 30212352

約数和(自身を除く): 10105959

約数列:

[1, 3, 17, 23, 51, 61, 69, 183, 281, 391, 843, 1037, 1173, 1403, 3111, 4209, 4777, 6463, 14331, 17141, 19389, 23851, 51423, 71553, 109871, 291397, 329613, 394243, 874191, 1182729, 6702131, 20106393]

約数ペア:

[(1, 20106393), (3, 6702131), (17, 1182729), (23, 874191), (51, 394243), (61, 329613), (69, 291397), (183, 109871), (281, 71553), (391, 51423), (843, 23851), (1037, 19389), (1173, 17141), (1403, 14331), (3111, 6463), (4209, 4777)]