20505675

素因数分解:

$3^1\times 5^2\times {\mathrm{373}}^1\times {\mathrm{733}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 34039984

約数和(自身を除く): 13534309

約数列:

[1, 3, 5, 15, 25, 75, 373, 733, 1119, 1865, 2199, 3665, 5595, 9325, 10995, 18325, 27975, 54975, 273409, 820227, 1367045, 4101135, 6835225, 20505675]

約数ペア:

[(1, 20505675), (3, 6835225), (5, 4101135), (15, 1367045), (25, 820227), (75, 273409), (373, 54975), (733, 27975), (1119, 18325), (1865, 10995), (2199, 9325), (3665, 5595)]