20556448832

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1630429}}^1$

素因数の和:1630638

約数の個数: 28

約数和(自身を含む): 40998792780

約数和(自身を除く): 20442343948

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1576, 3152, 6304, 12608, 1630429, 3260858, 6521716, 13043432, 26086864, 52173728, 104347456, 321194513, 642389026, 1284778052, 2569556104, 5139112208, 10278224416, 20556448832]

約数ペア:

[(1, 20556448832), (2, 10278224416), (4, 5139112208), (8, 2569556104), (16, 1284778052), (32, 642389026), (64, 321194513), (197, 104347456), (394, 52173728), (788, 26086864), (1576, 13043432), (3152, 6521716), (6304, 3260858), (12608, 1630429)]