20523256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197339}}^1$

素因数の和:197358

約数の個数: 16

約数和(自身を含む): 41441400

約数和(自身を除く): 20918144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197339, 394678, 789356, 1578712, 2565407, 5130814, 10261628, 20523256]

約数ペア:

[(1, 20523256), (2, 10261628), (4, 5130814), (8, 2565407), (13, 1578712), (26, 789356), (52, 394678), (104, 197339)]