20548325

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6907}}^1$

素因数の和:6941

約数の個数: 24

約数和(自身を含む): 30837312

約数和(自身を除く): 10288987

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6907, 34535, 48349, 117419, 172675, 241745, 587095, 821933, 1208725, 2935475, 4109665, 20548325]

約数ペア:

[(1, 20548325), (5, 4109665), (7, 2935475), (17, 1208725), (25, 821933), (35, 587095), (85, 241745), (119, 172675), (175, 117419), (425, 48349), (595, 34535), (2975, 6907)]