20685434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12211}}^1$

素因数の和:12242

約数の個数: 24

約数和(自身を含む): 38980704

約数和(自身を除く): 18295270

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12211, 24422, 85477, 134321, 170954, 268642, 940247, 1477531, 1880494, 2955062, 10342717, 20685434]

約数ペア:

[(1, 20685434), (2, 10342717), (7, 2955062), (11, 1880494), (14, 1477531), (22, 940247), (77, 268642), (121, 170954), (154, 134321), (242, 85477), (847, 24422), (1694, 12211)]