20964346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4093}}^1$

素因数の和:4305

約数の個数: 16

約数和(自身を含む): 34045704

約数和(自身を除く): 13081358

約数列:

[1, 2, 13, 26, 197, 394, 2561, 4093, 5122, 8186, 53209, 106418, 806321, 1612642, 10482173, 20964346]

約数ペア:

[(1, 20964346), (2, 10482173), (13, 1612642), (26, 806321), (197, 106418), (394, 53209), (2561, 8186), (4093, 5122)]