20777636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42929}}^1$

素因数の和:42955

約数の個数: 18

約数和(自身を含む): 39967830

約数和(自身を除く): 19190194

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42929, 85858, 171716, 472219, 944438, 1888876, 5194409, 10388818, 20777636]

約数ペア:

[(1, 20777636), (2, 10388818), (4, 5194409), (11, 1888876), (22, 944438), (44, 472219), (121, 171716), (242, 85858), (484, 42929)]