20418868

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 36715392

約数和(自身を除く): 16296524

約数列:

[1, 2, 4, 47, 94, 188, 313, 347, 626, 694, 1252, 1388, 14711, 16309, 29422, 32618, 58844, 65236, 108611, 217222, 434444, 5104717, 10209434, 20418868]

約数ペア:

[(1, 20418868), (2, 10209434), (4, 5104717), (47, 434444), (94, 217222), (188, 108611), (313, 65236), (347, 58844), (626, 32618), (694, 29422), (1252, 16309), (1388, 14711)]