20097297

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 32411808

約数和(自身を除く): 12314511

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4721, 14163, 42489, 51931, 155793, 203003, 467379, 609009, 1827027, 2233033, 6699099, 20097297]

約数ペア:

[(1, 20097297), (3, 6699099), (9, 2233033), (11, 1827027), (33, 609009), (43, 467379), (99, 203003), (129, 155793), (387, 51931), (473, 42489), (1419, 14163), (4257, 4721)]