20656816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{44519}}^1$

素因数の和:44556

約数の個数: 20

約数和(自身を含む): 41403600

約数和(自身を除く): 20746784

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 44519, 89038, 178076, 356152, 712304, 1291051, 2582102, 5164204, 10328408, 20656816]

約数ペア:

[(1, 20656816), (2, 10328408), (4, 5164204), (8, 2582102), (16, 1291051), (29, 712304), (58, 356152), (116, 178076), (232, 89038), (464, 44519)]