20403913617

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2292317}}^1$

素因数の和:2292389

約数の個数: 24

約数和(自身を含む): 31468941504

約数和(自身を除く): 11065027887

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 2292317, 6876951, 20630853, 52723291, 98569631, 158169873, 295708893, 474509619, 887126679, 2267101513, 6801304539, 20403913617]

約数ペア:

[(1, 20403913617), (3, 6801304539), (9, 2267101513), (23, 887126679), (43, 474509619), (69, 295708893), (129, 158169873), (207, 98569631), (387, 52723291), (989, 20630853), (2967, 6876951), (8901, 2292317)]