20302261

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2683}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 24735744

約数和(自身を除く): 4433483

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2683, 7567, 18781, 61709, 126101, 431963, 882707, 2900323, 20302261]

約数ペア:

[(1, 20302261), (7, 2900323), (23, 882707), (47, 431963), (161, 126101), (329, 61709), (1081, 18781), (2683, 7567)]