20485564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{465581}}^1$

素因数の和:465596

約数の個数: 12

約数和(自身を含む): 39108888

約数和(自身を除く): 18623324

約数列:

[1, 2, 4, 11, 22, 44, 465581, 931162, 1862324, 5121391, 10242782, 20485564]

約数ペア:

[(1, 20485564), (2, 10242782), (4, 5121391), (11, 1862324), (22, 931162), (44, 465581)]