20465837

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 24544512

約数和(自身を除く): 4078675

約数列:

[1, 7, 23, 161, 317, 401, 2219, 2807, 7291, 9223, 51037, 64561, 127117, 889819, 2923691, 20465837]

約数ペア:

[(1, 20465837), (7, 2923691), (23, 889819), (161, 127117), (317, 64561), (401, 51037), (2219, 9223), (2807, 7291)]