20194252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388351}}^1$

素因数の和:388368

約数の個数: 12

約数和(自身を含む): 38058496

約数和(自身を除く): 17864244

約数列:

[1, 2, 4, 13, 26, 52, 388351, 776702, 1553404, 5048563, 10097126, 20194252]

約数ペア:

[(1, 20194252), (2, 10097126), (4, 5048563), (13, 1553404), (26, 776702), (52, 388351)]