20520304432

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8168911}}^1$

素因数の和:8169076

約数の個数: 20

約数和(自身を含む): 40011330976

約数和(自身を除く): 19491026544

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8168911, 16337822, 32675644, 65351288, 130702576, 1282519027, 2565038054, 5130076108, 10260152216, 20520304432]

約数ペア:

[(1, 20520304432), (2, 10260152216), (4, 5130076108), (8, 2565038054), (16, 1282519027), (157, 130702576), (314, 65351288), (628, 32675644), (1256, 16337822), (2512, 8168911)]