20078861876

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1009}}^1\times {\mathrm{13781}}^1$

素因数の和:14832

約数の個数: 36

約数和(自身を含む): 37124159940

約数和(自身を除く): 17045298064

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1009, 1444, 2018, 4036, 13781, 19171, 27562, 38342, 55124, 76684, 261839, 364249, 523678, 728498, 1047356, 1456996, 4974941, 9949882, 13905029, 19899764, 27810058, 55620116, 264195551, 528391102, 1056782204, 5019715469, 10039430938, 20078861876]

約数ペア:

[(1, 20078861876), (2, 10039430938), (4, 5019715469), (19, 1056782204), (38, 528391102), (76, 264195551), (361, 55620116), (722, 27810058), (1009, 19899764), (1444, 13905029), (2018, 9949882), (4036, 4974941), (13781, 1456996), (19171, 1047356), (27562, 728498), (38342, 523678), (55124, 364249), (76684, 261839)]