20906486

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1553}}^1$

素因数の和:1735

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 11317258

約数列:

[1, 2, 53, 106, 127, 254, 1553, 3106, 6731, 13462, 82309, 164618, 197231, 394462, 10453243, 20906486]

約数ペア:

[(1, 20906486), (2, 10453243), (53, 394462), (106, 197231), (127, 164618), (254, 82309), (1553, 13462), (3106, 6731)]