20868610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42589}}^1$

素因数の和:42610

約数の個数: 24

約数和(自身を含む): 43697340

約数和(自身を除く): 22828730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42589, 85178, 212945, 298123, 425890, 596246, 1490615, 2086861, 2981230, 4173722, 10434305, 20868610]

約数ペア:

[(1, 20868610), (2, 10434305), (5, 4173722), (7, 2981230), (10, 2086861), (14, 1490615), (35, 596246), (49, 425890), (70, 298123), (98, 212945), (245, 85178), (490, 42589)]