20244650

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3931}}^1$

素因数の和:4046

約数の個数: 24

約数和(自身を含む): 38030304

約数和(自身を除く): 17785654

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 3931, 5150, 7862, 19655, 39310, 98275, 196550, 404893, 809786, 2024465, 4048930, 10122325, 20244650]

約数ペア:

[(1, 20244650), (2, 10122325), (5, 4048930), (10, 2024465), (25, 809786), (50, 404893), (103, 196550), (206, 98275), (515, 39310), (1030, 19655), (2575, 7862), (3931, 5150)]