20127999

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{463}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 27602432

約数和(自身を除く): 7474433

約数列:

[1, 3, 43, 129, 337, 463, 1011, 1389, 14491, 19909, 43473, 59727, 156031, 468093, 6709333, 20127999]

約数ペア:

[(1, 20127999), (3, 6709333), (43, 468093), (129, 156031), (337, 59727), (463, 43473), (1011, 19909), (1389, 14491)]