20199962991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1\times {\mathrm{21647}}^1$

素因数の和:22071

約数の個数: 32

約数和(自身を含む): 29502240768

約数和(自身を除く): 9302277777

約数列:

[1, 3, 13, 39, 71, 213, 337, 923, 1011, 2769, 4381, 13143, 21647, 23927, 64941, 71781, 281411, 311051, 844233, 933153, 1536937, 4610811, 7295039, 19980181, 21885117, 59940543, 94835507, 284506521, 517947769, 1553843307, 6733320997, 20199962991]

約数ペア:

[(1, 20199962991), (3, 6733320997), (13, 1553843307), (39, 517947769), (71, 284506521), (213, 94835507), (337, 59940543), (923, 21885117), (1011, 19980181), (2769, 7295039), (4381, 4610811), (13143, 1536937), (21647, 933153), (23927, 844233), (64941, 311051), (71781, 281411)]