20499666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2371}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 45086976

約数和(自身を除く): 24587310

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2371, 2882, 4323, 4742, 7113, 8646, 14226, 26081, 52162, 78243, 156486, 310601, 621202, 931803, 1863606, 3416611, 6833222, 10249833, 20499666]

約数ペア:

[(1, 20499666), (2, 10249833), (3, 6833222), (6, 3416611), (11, 1863606), (22, 931803), (33, 621202), (66, 310601), (131, 156486), (262, 78243), (393, 52162), (786, 26081), (1441, 14226), (2371, 8646), (2882, 7113), (4323, 4742)]