20807521108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5313463}}^1$

素因数の和:5313567

約数の個数: 24

約数和(自身を含む): 40169787840

約数和(自身を除く): 19362266732

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5313463, 10626926, 21253852, 58448093, 116896186, 233792372, 472898207, 945796414, 1891592828, 5201880277, 10403760554, 20807521108]

約数ペア:

[(1, 20807521108), (2, 10403760554), (4, 5201880277), (11, 1891592828), (22, 945796414), (44, 472898207), (89, 233792372), (178, 116896186), (356, 58448093), (979, 21253852), (1958, 10626926), (3916, 5313463)]