20930078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 35134176

約数和(自身を除く): 14204098

約数列:

[1, 2, 13, 26, 43, 86, 97, 193, 194, 386, 559, 1118, 1261, 2509, 2522, 4171, 5018, 8299, 8342, 16598, 18721, 37442, 54223, 107887, 108446, 215774, 243373, 486746, 805003, 1610006, 10465039, 20930078]

約数ペア:

[(1, 20930078), (2, 10465039), (13, 1610006), (26, 805003), (43, 486746), (86, 243373), (97, 215774), (193, 108446), (194, 107887), (386, 54223), (559, 37442), (1118, 18721), (1261, 16598), (2509, 8342), (2522, 8299), (4171, 5018)]