20845847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2482153

約数列:

[1, 11, 89, 107, 199, 979, 1177, 2189, 9523, 17711, 21293, 104753, 194821, 234223, 1895077, 20845847]

約数ペア:

[(1, 20845847), (11, 1895077), (89, 234223), (107, 194821), (199, 104753), (979, 21293), (1177, 17711), (2189, 9523)]