81020456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{920687}}^1$

素因数の和:920704

約数の個数: 16

約数和(自身を含む): 165723840

約数和(自身を除く): 84703384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 920687, 1841374, 3682748, 7365496, 10127557, 20255114, 40510228, 81020456]

約数ペア:

[(1, 81020456), (2, 40510228), (4, 20255114), (8, 10127557), (11, 7365496), (22, 3682748), (44, 1841374), (88, 920687)]