20104876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41539}}^1$

素因数の和:41565

約数の個数: 18

約数和(自身を含む): 38673740

約数和(自身を除く): 18568864

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41539, 83078, 166156, 456929, 913858, 1827716, 5026219, 10052438, 20104876]

約数ペア:

[(1, 20104876), (2, 10052438), (4, 5026219), (11, 1827716), (22, 913858), (44, 456929), (121, 166156), (242, 83078), (484, 41539)]