20458202

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1061}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 31809024

約数和(自身を除く): 11350822

約数列:

[1, 2, 31, 62, 311, 622, 1061, 2122, 9641, 19282, 32891, 65782, 329971, 659942, 10229101, 20458202]

約数ペア:

[(1, 20458202), (2, 10229101), (31, 659942), (62, 329971), (311, 65782), (622, 32891), (1061, 19282), (2122, 9641)]