20647312

素因数分解:

$2^4\times 7^1\times {\mathrm{184351}}^1$

素因数の和:184366

約数の個数: 20

約数和(自身を含む): 45719296

約数和(自身を除く): 25071984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184351, 368702, 737404, 1290457, 1474808, 2580914, 2949616, 5161828, 10323656, 20647312]

約数ペア:

[(1, 20647312), (2, 10323656), (4, 5161828), (7, 2949616), (8, 2580914), (14, 1474808), (16, 1290457), (28, 737404), (56, 368702), (112, 184351)]