20512071997570

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16111}}^1\times {\mathrm{2087167}}^1$

素因数の和:2103346

約数の個数: 32

約数和(自身を含む): 37529351110656

約数和(自身を除く): 17017279113086

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 16111, 32222, 80555, 161110, 982771, 1965542, 2087167, 4174334, 4913855, 9827710, 10435835, 20871670, 127317187, 254634374, 636585935, 1273171870, 33626347537, 67252695074, 168131737685, 336263475370, 2051207199757, 4102414399514, 10256035998785, 20512071997570]

約数ペア:

[(1, 20512071997570), (2, 10256035998785), (5, 4102414399514), (10, 2051207199757), (61, 336263475370), (122, 168131737685), (305, 67252695074), (610, 33626347537), (16111, 1273171870), (32222, 636585935), (80555, 254634374), (161110, 127317187), (982771, 20871670), (1965542, 10435835), (2087167, 9827710), (4174334, 4913855)]