20826883

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 26625536

約数和(自身を除く): 5798653

約数列:

[1, 7, 11, 67, 77, 121, 367, 469, 737, 847, 2569, 4037, 5159, 8107, 24589, 28259, 44407, 56749, 172123, 270479, 310849, 1893353, 2975269, 20826883]

約数ペア:

[(1, 20826883), (7, 2975269), (11, 1893353), (67, 310849), (77, 270479), (121, 172123), (367, 56749), (469, 44407), (737, 28259), (847, 24589), (2569, 8107), (4037, 5159)]