20777141

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3251}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 26224128

約数和(自身を除く): 5446987

約数列:

[1, 7, 11, 77, 83, 581, 913, 3251, 6391, 22757, 35761, 250327, 269833, 1888831, 2968163, 20777141]

約数ペア:

[(1, 20777141), (7, 2968163), (11, 1888831), (77, 269833), (83, 250327), (581, 35761), (913, 22757), (3251, 6391)]