20161661548

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2309}}^1\times {\mathrm{2861}}^1$

素因数の和:5290

約数の個数: 48

約数和(自身を含む): 40725115200

約数和(自身を除く): 20563453652

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 2309, 2861, 3052, 4618, 5722, 9236, 11444, 16163, 20027, 32326, 40054, 64652, 80108, 251681, 311849, 503362, 623698, 1006724, 1247396, 1761767, 2182943, 3523534, 4365886, 6606049, 7047068, 8731772, 13212098, 26424196, 46242343, 92484686, 184969372, 720059341, 1440118682, 2880237364, 5040415387, 10080830774, 20161661548]

約数ペア:

[(1, 20161661548), (2, 10080830774), (4, 5040415387), (7, 2880237364), (14, 1440118682), (28, 720059341), (109, 184969372), (218, 92484686), (436, 46242343), (763, 26424196), (1526, 13212098), (2309, 8731772), (2861, 7047068), (3052, 6606049), (4618, 4365886), (5722, 3523534), (9236, 2182943), (11444, 1761767), (16163, 1247396), (20027, 1006724), (32326, 623698), (40054, 503362), (64652, 311849), (80108, 251681)]