20319091

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 22629376

約数和(自身を除く): 2310285

約数列:

[1, 13, 43, 163, 223, 559, 2119, 2899, 7009, 9589, 36349, 91117, 124657, 472537, 1563007, 20319091]

約数ペア:

[(1, 20319091), (13, 1563007), (43, 472537), (163, 124657), (223, 91117), (559, 36349), (2119, 9589), (2899, 7009)]