20668900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29527}}^1$

素因数の和:29548

約数の個数: 36

約数和(自身を含む): 51260608

約数和(自身を除く): 30591708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29527, 59054, 118108, 147635, 206689, 295270, 413378, 590540, 738175, 826756, 1033445, 1476350, 2066890, 2952700, 4133780, 5167225, 10334450, 20668900]

約数ペア:

[(1, 20668900), (2, 10334450), (4, 5167225), (5, 4133780), (7, 2952700), (10, 2066890), (14, 1476350), (20, 1033445), (25, 826756), (28, 738175), (35, 590540), (50, 413378), (70, 295270), (100, 206689), (140, 147635), (175, 118108), (350, 59054), (700, 29527)]