20199131981

素因数分解:

$7^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1\times {\mathrm{28219}}^1$

素因数の和:28868

約数の個数: 16

約数和(自身を含む): 23230704000

約数和(自身を除く): 3031572019

約数列:

[1, 7, 293, 349, 2051, 2443, 28219, 102257, 197533, 715799, 8268167, 9848431, 57877169, 68939017, 2885590283, 20199131981]

約数ペア:

[(1, 20199131981), (7, 2885590283), (293, 68939017), (349, 57877169), (2051, 9848431), (2443, 8268167), (28219, 715799), (102257, 197533)]