20192821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 3430667

約数列:

[1, 11, 17, 83, 187, 913, 1301, 1411, 14311, 15521, 22117, 107983, 243287, 1187813, 1835711, 20192821]

約数ペア:

[(1, 20192821), (11, 1835711), (17, 1187813), (83, 243287), (187, 107983), (913, 22117), (1301, 15521), (1411, 14311)]