20807597998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{4861}}^1\times {\mathrm{194569}}^1$

素因数の和:199443

約数の個数: 16

約数和(自身を含む): 34055976240

約数和(自身を除く): 13248378242

約数列:

[1, 2, 11, 22, 4861, 9722, 53471, 106942, 194569, 389138, 2140259, 4280518, 945799909, 1891599818, 10403798999, 20807597998]

約数ペア:

[(1, 20807597998), (2, 10403798999), (11, 1891599818), (22, 945799909), (4861, 4280518), (9722, 2140259), (53471, 389138), (106942, 194569)]