20126908088

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{995593}}^1$

素因数の和:995644

約数の個数: 48

約数和(自身を含む): 45518557680

約数和(自身を除く): 25391649592

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 2527, 2888, 5054, 10108, 20216, 995593, 1991186, 3982372, 6969151, 7964744, 13938302, 18916267, 27876604, 37832534, 55753208, 75665068, 132413869, 151330136, 264827738, 359409073, 529655476, 718818146, 1059310952, 1437636292, 2515863511, 2875272584, 5031727022, 10063454044, 20126908088]

約数ペア:

[(1, 20126908088), (2, 10063454044), (4, 5031727022), (7, 2875272584), (8, 2515863511), (14, 1437636292), (19, 1059310952), (28, 718818146), (38, 529655476), (56, 359409073), (76, 264827738), (133, 151330136), (152, 132413869), (266, 75665068), (361, 55753208), (532, 37832534), (722, 27876604), (1064, 18916267), (1444, 13938302), (2527, 7964744), (2888, 6969151), (5054, 3982372), (10108, 1991186), (20216, 995593)]