20558499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3491}}^1$

素因数の和:3658

約数の個数: 16

約数和(自身を含む): 29723904

約数和(自身を除く): 9165405

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3491, 5889, 10473, 45383, 136149, 527141, 1581423, 6852833, 20558499]

約数ペア:

[(1, 20558499), (3, 6852833), (13, 1581423), (39, 527141), (151, 136149), (453, 45383), (1963, 10473), (3491, 5889)]