20878159

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 23051520

約数和(自身を除く): 2173361

約数列:

[1, 17, 31, 173, 229, 527, 2941, 3893, 5363, 7099, 39617, 91171, 120683, 673489, 1228127, 20878159]

約数ペア:

[(1, 20878159), (17, 1228127), (31, 673489), (173, 120683), (229, 91171), (527, 39617), (2941, 7099), (3893, 5363)]