20828444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57221}}^1$

素因数の和:57245

約数の個数: 24

約数和(自身を含む): 44862048

約数和(自身を除く): 24033604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57221, 114442, 228884, 400547, 743873, 801094, 1487746, 1602188, 2975492, 5207111, 10414222, 20828444]

約数ペア:

[(1, 20828444), (2, 10414222), (4, 5207111), (7, 2975492), (13, 1602188), (14, 1487746), (26, 801094), (28, 743873), (52, 400547), (91, 228884), (182, 114442), (364, 57221)]