20201843

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 1570957

約数列:

[1, 23, 71, 89, 139, 1633, 2047, 3197, 6319, 9869, 12371, 145337, 226987, 284533, 878341, 20201843]

約数ペア:

[(1, 20201843), (23, 878341), (71, 284533), (89, 226987), (139, 145337), (1633, 12371), (2047, 9869), (3197, 6319)]