20959288

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1553}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 45128160

約数和(自身を除く): 24168872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1553, 1687, 1928, 3106, 3374, 6212, 6748, 10871, 12424, 13496, 21742, 43484, 86968, 374273, 748546, 1497092, 2619911, 2994184, 5239822, 10479644, 20959288]

約数ペア:

[(1, 20959288), (2, 10479644), (4, 5239822), (7, 2994184), (8, 2619911), (14, 1497092), (28, 748546), (56, 374273), (241, 86968), (482, 43484), (964, 21742), (1553, 13496), (1687, 12424), (1928, 10871), (3106, 6748), (3374, 6212)]