20789568195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2801}}^1\times {\mathrm{44983}}^1$

素因数の和:47803

約数の個数: 32

約数和(自身を含む): 36301008384

約数和(自身を除く): 15511440189

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 2801, 8403, 14005, 30811, 42015, 44983, 92433, 134949, 154055, 224915, 462165, 494813, 674745, 1484439, 2474065, 7422195, 125997383, 377992149, 629986915, 1385971213, 1889960745, 4157913639, 6929856065, 20789568195]

約数ペア:

[(1, 20789568195), (3, 6929856065), (5, 4157913639), (11, 1889960745), (15, 1385971213), (33, 629986915), (55, 377992149), (165, 125997383), (2801, 7422195), (8403, 2474065), (14005, 1484439), (30811, 674745), (42015, 494813), (44983, 462165), (92433, 224915), (134949, 154055)]