20352975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6311}}^1$

素因数の和:6367

約数の個数: 24

約数和(自身を含む): 34438272

約数和(自身を除く): 14085297

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6311, 18933, 31555, 94665, 157775, 271373, 473325, 814119, 1356865, 4070595, 6784325, 20352975]

約数ペア:

[(1, 20352975), (3, 6784325), (5, 4070595), (15, 1356865), (25, 814119), (43, 473325), (75, 271373), (129, 157775), (215, 94665), (645, 31555), (1075, 18933), (3225, 6311)]