20831738168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137050909}}^1$

素因数の和:137050934

約数の個数: 16

約数和(自身を含む): 41115273000

約数和(自身を除く): 20283534832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137050909, 274101818, 548203636, 1096407272, 2603967271, 5207934542, 10415869084, 20831738168]

約数ペア:

[(1, 20831738168), (2, 10415869084), (4, 5207934542), (8, 2603967271), (19, 1096407272), (38, 548203636), (76, 274101818), (152, 137050909)]