20217202340

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7378541}}^1$

素因数の和:7378687

約数の個数: 24

約数和(自身を含む): 42766029432

約数和(自身を除く): 22548827092

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7378541, 14757082, 29514164, 36892705, 73785410, 147570820, 1010860117, 2021720234, 4043440468, 5054300585, 10108601170, 20217202340]

約数ペア:

[(1, 20217202340), (2, 10108601170), (4, 5054300585), (5, 4043440468), (10, 2021720234), (20, 1010860117), (137, 147570820), (274, 73785410), (548, 36892705), (685, 29514164), (1370, 14757082), (2740, 7378541)]