20255884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41851}}^1$

素因数の和:41877

約数の個数: 18

約数和(自身を含む): 38964212

約数和(自身を除く): 18708328

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41851, 83702, 167404, 460361, 920722, 1841444, 5063971, 10127942, 20255884]

約数ペア:

[(1, 20255884), (2, 10127942), (4, 5063971), (11, 1841444), (22, 920722), (44, 460361), (121, 167404), (242, 83702), (484, 41851)]