20218325740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7378951}}^1$

素因数の和:7379097

約数の個数: 24

約数和(自身を含む): 42768405792

約数和(自身を除く): 22550080052

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7378951, 14757902, 29515804, 36894755, 73789510, 147579020, 1010916287, 2021832574, 4043665148, 5054581435, 10109162870, 20218325740]

約数ペア:

[(1, 20218325740), (2, 10109162870), (4, 5054581435), (5, 4043665148), (10, 2021832574), (20, 1010916287), (137, 147579020), (274, 73789510), (548, 36894755), (685, 29515804), (1370, 14757902), (2740, 7378951)]