20957882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1\times {\mathrm{1109}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 34365600

約数和(自身を除く): 13407718

約数列:

[1, 2, 11, 22, 859, 1109, 1718, 2218, 9449, 12199, 18898, 24398, 952631, 1905262, 10478941, 20957882]

約数ペア:

[(1, 20957882), (2, 10478941), (11, 1905262), (22, 952631), (859, 24398), (1109, 18898), (1718, 12199), (2218, 9449)]