20551084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2393}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 38208240

約数和(自身を除く): 17657156

約数列:

[1, 2, 4, 19, 38, 76, 113, 226, 452, 2147, 2393, 4294, 4786, 8588, 9572, 45467, 90934, 181868, 270409, 540818, 1081636, 5137771, 10275542, 20551084]

約数ペア:

[(1, 20551084), (2, 10275542), (4, 5137771), (19, 1081636), (38, 540818), (76, 270409), (113, 181868), (226, 90934), (452, 45467), (2147, 9572), (2393, 8588), (4294, 4786)]