20545838

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3529}}^1$

素因数の和:3643

約数の個数: 16

約数和(自身を含む): 32024160

約数和(自身を除く): 11478322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3529, 5822, 7058, 144689, 250559, 289378, 501118, 10272919, 20545838]

約数ペア:

[(1, 20545838), (2, 10272919), (41, 501118), (71, 289378), (82, 250559), (142, 144689), (2911, 7058), (3529, 5822)]