20427657

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6299}}^1$

素因数の和:6372

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 8602743

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6299, 18897, 144877, 296053, 434631, 888159, 6809219, 20427657]

約数ペア:

[(1, 20427657), (3, 6809219), (23, 888159), (47, 434631), (69, 296053), (141, 144877), (1081, 18897), (3243, 6299)]