20658900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{68863}}^1$

素因数の和:68880

約数の個数: 36

約数和(自身を含む): 59773952

約数和(自身を除く): 39115052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 68863, 137726, 206589, 275452, 344315, 413178, 688630, 826356, 1032945, 1377260, 1721575, 2065890, 3443150, 4131780, 5164725, 6886300, 10329450, 20658900]

約数ペア:

[(1, 20658900), (2, 10329450), (3, 6886300), (4, 5164725), (5, 4131780), (6, 3443150), (10, 2065890), (12, 1721575), (15, 1377260), (20, 1032945), (25, 826356), (30, 688630), (50, 413178), (60, 344315), (75, 275452), (100, 206589), (150, 137726), (300, 68863)]