20763556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1051}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 39765600

約数和(自身を除く): 19002044

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 1051, 1796, 2102, 4204, 4939, 9878, 11561, 19756, 23122, 46244, 471899, 943798, 1887596, 5190889, 10381778, 20763556]

約数ペア:

[(1, 20763556), (2, 10381778), (4, 5190889), (11, 1887596), (22, 943798), (44, 471899), (449, 46244), (898, 23122), (1051, 19756), (1796, 11561), (2102, 9878), (4204, 4939)]