20500317252

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2663}}^1\times {\mathrm{4973}}^1$

素因数の和:7689

約数の個数: 72

約数和(自身を含む): 53055946944

約数和(自身を除く): 32555629692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 2663, 4973, 5326, 7989, 9946, 10652, 14919, 15978, 19892, 23967, 29838, 31956, 44757, 47934, 59676, 89514, 95868, 114509, 179028, 213839, 229018, 343527, 427678, 458036, 641517, 687054, 855356, 1030581, 1283034, 1374108, 1924551, 2061162, 2566068, 3849102, 4122324, 7698204, 13243099, 26486198, 39729297, 52972396, 79458594, 119187891, 158917188, 238375782, 476751564, 569453257, 1138906514, 1708359771, 2277813028, 3416719542, 5125079313, 6833439084, 10250158626, 20500317252]

約数ペア:

[(1, 20500317252), (2, 10250158626), (3, 6833439084), (4, 5125079313), (6, 3416719542), (9, 2277813028), (12, 1708359771), (18, 1138906514), (36, 569453257), (43, 476751564), (86, 238375782), (129, 158917188), (172, 119187891), (258, 79458594), (387, 52972396), (516, 39729297), (774, 26486198), (1548, 13243099), (2663, 7698204), (4973, 4122324), (5326, 3849102), (7989, 2566068), (9946, 2061162), (10652, 1924551), (14919, 1374108), (15978, 1283034), (19892, 1030581), (23967, 855356), (29838, 687054), (31956, 641517), (44757, 458036), (47934, 427678), (59676, 343527), (89514, 229018), (95868, 213839), (114509, 179028)]