20856979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 24685920

約数和(自身を除く): 3828941

約数列:

[1, 11, 13, 143, 157, 929, 1727, 2041, 10219, 12077, 22451, 132847, 145853, 1604383, 1896089, 20856979]

約数ペア:

[(1, 20856979), (11, 1896089), (13, 1604383), (143, 145853), (157, 132847), (929, 22451), (1727, 12077), (2041, 10219)]