20209172

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2099}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16834828

約数列:

[1, 2, 4, 29, 58, 83, 116, 166, 332, 2099, 2407, 4198, 4814, 8396, 9628, 60871, 121742, 174217, 243484, 348434, 696868, 5052293, 10104586, 20209172]

約数ペア:

[(1, 20209172), (2, 10104586), (4, 5052293), (29, 696868), (58, 348434), (83, 243484), (116, 174217), (166, 121742), (332, 60871), (2099, 9628), (2407, 8396), (4198, 4814)]