20431089

素因数分解:

$3^3\times 7^2\times {\mathrm{15443}}^1$

素因数の和:15466

約数の個数: 24

約数和(自身を含む): 35212320

約数和(自身を除く): 14781231

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15443, 46329, 108101, 138987, 324303, 416961, 756707, 972909, 2270121, 2918727, 6810363, 20431089]

約数ペア:

[(1, 20431089), (3, 6810363), (7, 2918727), (9, 2270121), (21, 972909), (27, 756707), (49, 416961), (63, 324303), (147, 138987), (189, 108101), (441, 46329), (1323, 15443)]