20316772

素因数分解:

$2^2\times 7^2\times {\mathrm{103657}}^1$

素因数の和:103675

約数の個数: 18

約数和(自身を含む): 41359542

約数和(自身を除く): 21042770

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103657, 207314, 414628, 725599, 1451198, 2902396, 5079193, 10158386, 20316772]

約数ペア:

[(1, 20316772), (2, 10158386), (4, 5079193), (7, 2902396), (14, 1451198), (28, 725599), (49, 414628), (98, 207314), (196, 103657)]