20081955905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{51131}}^1$

素因数の和:51377

約数の個数: 32

約数和(自身を含む): 27140047488

約数和(自身を除く): 7058091583

約数列:

[1, 5, 11, 37, 55, 185, 193, 407, 965, 2035, 2123, 7141, 10615, 35705, 51131, 78551, 255655, 392755, 562441, 1891847, 2812205, 9459235, 9868283, 20810317, 49341415, 104051585, 108551113, 365126471, 542755565, 1825632355, 4016391181, 20081955905]

約数ペア:

[(1, 20081955905), (5, 4016391181), (11, 1825632355), (37, 542755565), (55, 365126471), (185, 108551113), (193, 104051585), (407, 49341415), (965, 20810317), (2035, 9868283), (2123, 9459235), (7141, 2812205), (10615, 1891847), (35705, 562441), (51131, 392755), (78551, 255655)]