20520414

素因数分解:

$2^1\times 3^2\times {\mathrm{863}}^1\times {\mathrm{1321}}^1$

素因数の和:2192

約数の個数: 24

約数和(自身を含む): 44546112

約数和(自身を除く): 24025698

約数列:

[1, 2, 3, 6, 9, 18, 863, 1321, 1726, 2589, 2642, 3963, 5178, 7767, 7926, 11889, 15534, 23778, 1140023, 2280046, 3420069, 6840138, 10260207, 20520414]

約数ペア:

[(1, 20520414), (2, 10260207), (3, 6840138), (6, 3420069), (9, 2280046), (18, 1140023), (863, 23778), (1321, 15534), (1726, 11889), (2589, 7926), (2642, 7767), (3963, 5178)]