20876640911

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1\times {\mathrm{1301}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 24748416000

約数和(自身を除く): 3871775089

約数列:

[1, 7, 43, 89, 301, 599, 623, 1301, 3827, 4193, 9107, 25757, 26789, 53311, 55943, 115789, 180299, 373177, 391601, 779299, 810523, 2292373, 4978927, 5455093, 16046611, 33509857, 34852489, 69357611, 234568999, 485503277, 2982377273, 20876640911]

約数ペア:

[(1, 20876640911), (7, 2982377273), (43, 485503277), (89, 234568999), (301, 69357611), (599, 34852489), (623, 33509857), (1301, 16046611), (3827, 5455093), (4193, 4978927), (9107, 2292373), (25757, 810523), (26789, 779299), (53311, 391601), (55943, 373177), (115789, 180299)]