20098757

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 24748032

約数和(自身を除く): 4649275

約数列:

[1, 7, 23, 31, 161, 217, 713, 4027, 4991, 28189, 92621, 124837, 648347, 873859, 2871251, 20098757]

約数ペア:

[(1, 20098757), (7, 2871251), (23, 873859), (31, 648347), (161, 124837), (217, 92621), (713, 28189), (4027, 4991)]