20831998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20147}}^1$

素因数の和:20207

約数の個数: 16

約数和(自身を含む): 34815744

約数和(自身を除く): 13983746

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20147, 40294, 221617, 443234, 946909, 1893818, 10415999, 20831998]

約数ペア:

[(1, 20831998), (2, 10415999), (11, 1893818), (22, 946909), (47, 443234), (94, 221617), (517, 40294), (1034, 20147)]