20316004

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 36213408

約数和(自身を除く): 15897404

約数列:

[1, 2, 4, 131, 137, 262, 274, 283, 524, 548, 566, 1132, 17947, 35894, 37073, 38771, 71788, 74146, 77542, 148292, 155084, 5079001, 10158002, 20316004]

約数ペア:

[(1, 20316004), (2, 10158002), (4, 5079001), (131, 155084), (137, 148292), (262, 77542), (274, 74146), (283, 71788), (524, 38771), (548, 37073), (566, 35894), (1132, 17947)]