20186544978

素因数分解:

$2^1\times 3^3\times {\mathrm{2161}}^1\times {\mathrm{172987}}^1$

素因数の和:175159

約数の個数: 32

約数和(自身を含む): 44880006720

約数和(自身を除く): 24693461742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2161, 4322, 6483, 12966, 19449, 38898, 58347, 116694, 172987, 345974, 518961, 1037922, 1556883, 3113766, 4670649, 9341298, 373824907, 747649814, 1121474721, 2242949442, 3364424163, 6728848326, 10093272489, 20186544978]

約数ペア:

[(1, 20186544978), (2, 10093272489), (3, 6728848326), (6, 3364424163), (9, 2242949442), (18, 1121474721), (27, 747649814), (54, 373824907), (2161, 9341298), (4322, 4670649), (6483, 3113766), (12966, 1556883), (19449, 1037922), (38898, 518961), (58347, 345974), (116694, 172987)]