20722185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41863}}^1$

素因数の和:41885

約数の個数: 24

約数和(自身を含む): 39184704

約数和(自身を除く): 18462519

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41863, 125589, 209315, 376767, 460493, 627945, 1381479, 1883835, 2302465, 4144437, 6907395, 20722185]

約数ペア:

[(1, 20722185), (3, 6907395), (5, 4144437), (9, 2302465), (11, 1883835), (15, 1381479), (33, 627945), (45, 460493), (55, 376767), (99, 209315), (165, 125589), (495, 41863)]