20480812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11353}}^1$

素因数の和:11409

約数の個数: 24

約数和(自身を含む): 40056912

約数和(自身を除く): 19576100

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11353, 22706, 45412, 124883, 249766, 465473, 499532, 930946, 1861892, 5120203, 10240406, 20480812]

約数ペア:

[(1, 20480812), (2, 10240406), (4, 5120203), (11, 1861892), (22, 930946), (41, 499532), (44, 465473), (82, 249766), (164, 124883), (451, 45412), (902, 22706), (1804, 11353)]