16797680

素因数分解:

$2^4\times 5^1\times {\mathrm{209971}}^1$

素因数の和:209984

約数の個数: 20

約数和(自身を含む): 39054792

約数和(自身を除く): 22257112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 209971, 419942, 839884, 1049855, 1679768, 2099710, 3359536, 4199420, 8398840, 16797680]

約数ペア:

[(1, 16797680), (2, 8398840), (4, 4199420), (5, 3359536), (8, 2099710), (10, 1679768), (16, 1049855), (20, 839884), (40, 419942), (80, 209971)]