20156164945

素因数分解:

$5^1\times 7^2\times {\mathrm{701}}^1\times {\mathrm{117361}}^1$

素因数の和:118081

約数の個数: 24

約数和(自身を含む): 28176738408

約数和(自身を除く): 8020573463

約数列:

[1, 5, 7, 35, 49, 245, 701, 3505, 4907, 24535, 34349, 117361, 171745, 586805, 821527, 4107635, 5750689, 28753445, 82270061, 411350305, 575890427, 2879452135, 4031232989, 20156164945]

約数ペア:

[(1, 20156164945), (5, 4031232989), (7, 2879452135), (35, 575890427), (49, 411350305), (245, 82270061), (701, 28753445), (3505, 5750689), (4907, 4107635), (24535, 821527), (34349, 586805), (117361, 171745)]