20395438

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11471}}^1$

素因数の和:11607

約数の個数: 16

約数和(自身を含む): 35241984

約数和(自身を除く): 14846546

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11471, 22942, 80297, 160594, 1456817, 2913634, 10197719, 20395438]

約数ペア:

[(1, 20395438), (2, 10197719), (7, 2913634), (14, 1456817), (127, 160594), (254, 80297), (889, 22942), (1778, 11471)]