20084098468

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{79903}}^1$

素因数の和:80152

約数の個数: 48

約数和(自身を含む): 41238134784

約数和(自身を除く): 21154036316

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 191, 329, 382, 658, 764, 1316, 1337, 2674, 5348, 8977, 17954, 35908, 62839, 79903, 125678, 159806, 251356, 319612, 559321, 1118642, 2237284, 3755441, 7510882, 15021764, 15261473, 26288087, 30522946, 52576174, 61045892, 105152348, 106830311, 213660622, 427321244, 717289231, 1434578462, 2869156924, 5021024617, 10042049234, 20084098468]

約数ペア:

[(1, 20084098468), (2, 10042049234), (4, 5021024617), (7, 2869156924), (14, 1434578462), (28, 717289231), (47, 427321244), (94, 213660622), (188, 106830311), (191, 105152348), (329, 61045892), (382, 52576174), (658, 30522946), (764, 26288087), (1316, 15261473), (1337, 15021764), (2674, 7510882), (5348, 3755441), (8977, 2237284), (17954, 1118642), (35908, 559321), (62839, 319612), (79903, 251356), (125678, 159806)]