8201020

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{947}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 17280144

約数和(自身を除く): 9079124

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 947, 1732, 1894, 2165, 3788, 4330, 4735, 8660, 9470, 18940, 410051, 820102, 1640204, 2050255, 4100510, 8201020]

約数ペア:

[(1, 8201020), (2, 4100510), (4, 2050255), (5, 1640204), (10, 820102), (20, 410051), (433, 18940), (866, 9470), (947, 8660), (1732, 4735), (1894, 4330), (2165, 3788)]