20107221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{673}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 28081536

約数和(自身を除く): 7974315

約数列:

[1, 3, 23, 69, 433, 673, 1299, 2019, 9959, 15479, 29877, 46437, 291409, 874227, 6702407, 20107221]

約数ペア:

[(1, 20107221), (3, 6702407), (23, 874227), (69, 291409), (433, 46437), (673, 29877), (1299, 15479), (2019, 9959)]