20668498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2609}}^1$

素因数の和:2861

約数の個数: 16

約数和(自身を含む): 32979960

約数和(自身を除く): 12311462

約数列:

[1, 2, 17, 34, 233, 466, 2609, 3961, 5218, 7922, 44353, 88706, 607897, 1215794, 10334249, 20668498]

約数ペア:

[(1, 20668498), (2, 10334249), (17, 1215794), (34, 607897), (233, 88706), (466, 44353), (2609, 7922), (3961, 5218)]