20568268

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7573}}^1$

素因数の和:7681

約数の個数: 24

約数和(自身を含む): 41566112

約数和(自身を除く): 20997844

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7573, 15146, 30292, 53011, 106022, 212044, 734581, 1469162, 2938324, 5142067, 10284134, 20568268]

約数ペア:

[(1, 20568268), (2, 10284134), (4, 5142067), (7, 2938324), (14, 1469162), (28, 734581), (97, 212044), (194, 106022), (388, 53011), (679, 30292), (1358, 15146), (2716, 7573)]