20893818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3557}}^1$

素因数の和:3662

約数の個数: 32

約数和(自身を含む): 46111680

約数和(自身を除く): 25217862

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3557, 5874, 7114, 10671, 21342, 39127, 78254, 117381, 234762, 316573, 633146, 949719, 1899438, 3482303, 6964606, 10446909, 20893818]

約数ペア:

[(1, 20893818), (2, 10446909), (3, 6964606), (6, 3482303), (11, 1899438), (22, 949719), (33, 633146), (66, 316573), (89, 234762), (178, 117381), (267, 78254), (534, 39127), (979, 21342), (1958, 10671), (2937, 7114), (3557, 5874)]