20277256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133403}}^1$

素因数の和:133428

約数の個数: 16

約数和(自身を含む): 40021200

約数和(自身を除く): 19743944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133403, 266806, 533612, 1067224, 2534657, 5069314, 10138628, 20277256]

約数ペア:

[(1, 20277256), (2, 10138628), (4, 5069314), (8, 2534657), (19, 1067224), (38, 533612), (76, 266806), (152, 133403)]