20161900745

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{39791}}^1$

素因数の和:40301

約数の個数: 32

約数和(自身を含む): 28604399616

約数和(自身を除く): 8442498871

約数列:

[1, 5, 7, 31, 35, 155, 217, 467, 1085, 2335, 3269, 14477, 16345, 39791, 72385, 101339, 198955, 278537, 506695, 1233521, 1392685, 6167605, 8634647, 18582397, 43173235, 92911985, 130076779, 576054307, 650383895, 2880271535, 4032380149, 20161900745]

約数ペア:

[(1, 20161900745), (5, 4032380149), (7, 2880271535), (31, 650383895), (35, 576054307), (155, 130076779), (217, 92911985), (467, 43173235), (1085, 18582397), (2335, 8634647), (3269, 6167605), (14477, 1392685), (16345, 1233521), (39791, 506695), (72385, 278537), (101339, 198955)]