20606159

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4027}}^1$

素因数の和:4094

約数の個数: 16

約数和(自身を含む): 25521408

約数和(自身を除く): 4915249

約数列:

[1, 7, 17, 43, 119, 301, 731, 4027, 5117, 28189, 68459, 173161, 479213, 1212127, 2943737, 20606159]

約数ペア:

[(1, 20606159), (7, 2943737), (17, 1212127), (43, 479213), (119, 173161), (301, 68459), (731, 28189), (4027, 5117)]