20160921128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{132637639}}^1$

素因数の和:132637664

約数の個数: 16

約数和(自身を含む): 39791292000

約数和(自身を除く): 19630370872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 132637639, 265275278, 530550556, 1061101112, 2520115141, 5040230282, 10080460564, 20160921128]

約数ペア:

[(1, 20160921128), (2, 10080460564), (4, 5040230282), (8, 2520115141), (19, 1061101112), (38, 530550556), (76, 265275278), (152, 132637639)]