20765212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3877}}^1$

素因数の和:3997

約数の個数: 24

約数和(自身を含む): 39524576

約数和(自身を除く): 18759364

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3877, 5356, 7754, 15508, 50401, 100802, 201604, 399331, 798662, 1597324, 5191303, 10382606, 20765212]

約数ペア:

[(1, 20765212), (2, 10382606), (4, 5191303), (13, 1597324), (26, 798662), (52, 399331), (103, 201604), (206, 100802), (412, 50401), (1339, 15508), (2678, 7754), (3877, 5356)]