20166520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45833}}^1$

素因数の和:45855

約数の個数: 32

約数和(自身を含む): 49500720

約数和(自身を除く): 29334200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45833, 91666, 183332, 229165, 366664, 458330, 504163, 916660, 1008326, 1833320, 2016652, 2520815, 4033304, 5041630, 10083260, 20166520]

約数ペア:

[(1, 20166520), (2, 10083260), (4, 5041630), (5, 4033304), (8, 2520815), (10, 2016652), (11, 1833320), (20, 1008326), (22, 916660), (40, 504163), (44, 458330), (55, 366664), (88, 229165), (110, 183332), (220, 91666), (440, 45833)]