20159084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41651}}^1$

素因数の和:41677

約数の個数: 18

約数和(自身を含む): 38778012

約数和(自身を除く): 18618928

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41651, 83302, 166604, 458161, 916322, 1832644, 5039771, 10079542, 20159084]

約数ペア:

[(1, 20159084), (2, 10079542), (4, 5039771), (11, 1832644), (22, 916322), (44, 458161), (121, 166604), (242, 83302), (484, 41651)]