20667212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1409}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 38295600

約数和(自身を除く): 17628388

約数列:

[1, 2, 4, 19, 38, 76, 193, 386, 772, 1409, 2818, 3667, 5636, 7334, 14668, 26771, 53542, 107084, 271937, 543874, 1087748, 5166803, 10333606, 20667212]

約数ペア:

[(1, 20667212), (2, 10333606), (4, 5166803), (19, 1087748), (38, 543874), (76, 271937), (193, 107084), (386, 53542), (772, 26771), (1409, 14668), (2818, 7334), (3667, 5636)]