20112575

素因数分解:

$5^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 28673760

約数和(自身を除く): 8561185

約数列:

[1, 5, 7, 25, 35, 175, 281, 409, 1405, 1967, 2045, 2863, 7025, 9835, 10225, 14315, 49175, 71575, 114929, 574645, 804503, 2873225, 4022515, 20112575]

約数ペア:

[(1, 20112575), (5, 4022515), (7, 2873225), (25, 804503), (35, 574645), (175, 114929), (281, 71575), (409, 49175), (1405, 14315), (1967, 10225), (2045, 9835), (2863, 7025)]