20781834

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3673}}^1$

素因数の和:3742

約数の個数: 32

約数和(自身を含む): 44440704

約数和(自身を除く): 23658870

約数列:

[1, 2, 3, 6, 23, 41, 46, 69, 82, 123, 138, 246, 943, 1886, 2829, 3673, 5658, 7346, 11019, 22038, 84479, 150593, 168958, 253437, 301186, 451779, 506874, 903558, 3463639, 6927278, 10390917, 20781834]

約数ペア:

[(1, 20781834), (2, 10390917), (3, 6927278), (6, 3463639), (23, 903558), (41, 506874), (46, 451779), (69, 301186), (82, 253437), (123, 168958), (138, 150593), (246, 84479), (943, 22038), (1886, 11019), (2829, 7346), (3673, 5658)]