20194997776

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{1250929}}^1$

素因数の和:1251946

約数の個数: 20

約数和(自身を含む): 39166618300

約数和(自身を除く): 18971620524

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 4036, 8072, 16144, 1250929, 2501858, 5003716, 10007432, 20014864, 1262187361, 2524374722, 5048749444, 10097498888, 20194997776]

約数ペア:

[(1, 20194997776), (2, 10097498888), (4, 5048749444), (8, 2524374722), (16, 1262187361), (1009, 20014864), (2018, 10007432), (4036, 5003716), (8072, 2501858), (16144, 1250929)]