20949956

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{88771}}^1$

素因数の和:88834

約数の個数: 12

約数和(自身を含む): 37284240

約数和(自身を除く): 16334284

約数列:

[1, 2, 4, 59, 118, 236, 88771, 177542, 355084, 5237489, 10474978, 20949956]

約数ペア:

[(1, 20949956), (2, 10474978), (4, 5237489), (59, 355084), (118, 177542), (236, 88771)]