20183316524

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{71039}}^1$

素因数の和:71262

約数の個数: 48

約数和(自身を含む): 41214566400

約数和(自身を除く): 21031249876

約数列:

[1, 2, 4, 7, 14, 28, 73, 139, 146, 278, 292, 511, 556, 973, 1022, 1946, 2044, 3892, 10147, 20294, 40588, 71029, 71039, 142058, 142078, 284116, 284156, 497273, 994546, 1989092, 5185847, 9874421, 10371694, 19748842, 20743388, 36300929, 39497684, 69120947, 72601858, 138241894, 145203716, 276483788, 720832733, 1441665466, 2883330932, 5045829131, 10091658262, 20183316524]

約数ペア:

[(1, 20183316524), (2, 10091658262), (4, 5045829131), (7, 2883330932), (14, 1441665466), (28, 720832733), (73, 276483788), (139, 145203716), (146, 138241894), (278, 72601858), (292, 69120947), (511, 39497684), (556, 36300929), (973, 20743388), (1022, 19748842), (1946, 10371694), (2044, 9874421), (3892, 5185847), (10147, 1989092), (20294, 994546), (40588, 497273), (71029, 284156), (71039, 284116), (142058, 142078)]