20189864

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{68209}}^1$

素因数の和:68252

約数の個数: 16

約数和(自身を含む): 38879700

約数和(自身を除く): 18689836

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 68209, 136418, 272836, 545672, 2523733, 5047466, 10094932, 20189864]

約数ペア:

[(1, 20189864), (2, 10094932), (4, 5047466), (8, 2523733), (37, 545672), (74, 272836), (148, 136418), (296, 68209)]