20128287

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 27744768

約数和(自身を除く): 7616481

約数列:

[1, 3, 53, 71, 159, 213, 1783, 3763, 5349, 11289, 94499, 126593, 283497, 379779, 6709429, 20128287]

約数ペア:

[(1, 20128287), (3, 6709429), (53, 379779), (71, 283497), (159, 126593), (213, 94499), (1783, 11289), (3763, 5349)]