20486725

素因数分解:

$5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 29248128

約数和(自身を除く): 8761403

約数列:

[1, 5, 7, 25, 35, 167, 175, 701, 835, 1169, 3505, 4175, 4907, 5845, 17525, 24535, 29225, 117067, 122675, 585335, 819469, 2926675, 4097345, 20486725]

約数ペア:

[(1, 20486725), (5, 4097345), (7, 2926675), (25, 819469), (35, 585335), (167, 122675), (175, 117067), (701, 29225), (835, 24535), (1169, 17525), (3505, 5845), (4175, 4907)]