20109878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3917}}^1$

素因数の和:4087

約数の個数: 16

約数和(自身を含む): 32158944

約数和(自身を除く): 12049066

約数列:

[1, 2, 17, 34, 151, 302, 2567, 3917, 5134, 7834, 66589, 133178, 591467, 1182934, 10054939, 20109878]

約数ペア:

[(1, 20109878), (2, 10054939), (17, 1182934), (34, 591467), (151, 133178), (302, 66589), (2567, 7834), (3917, 5134)]