196996820

素因数分解:

$2^2\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{4463}}^1$

素因数の和:6679

約数の個数: 24

約数和(自身を含む): 413973504

約数和(自身を除く): 216976684

約数列:

[1, 2, 4, 5, 10, 20, 2207, 4414, 4463, 8828, 8926, 11035, 17852, 22070, 22315, 44140, 44630, 89260, 9849841, 19699682, 39399364, 49249205, 98498410, 196996820]

約数ペア:

[(1, 196996820), (2, 98498410), (4, 49249205), (5, 39399364), (10, 19699682), (20, 9849841), (2207, 89260), (4414, 44630), (4463, 44140), (8828, 22315), (8926, 22070), (11035, 17852)]