20125181516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1\times {\mathrm{10193}}^1$

素因数の和:12182

約数の個数: 48

約数和(自身を含む): 40115755008

約数和(自身を除く): 19990573492

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1951, 3902, 7804, 10193, 20386, 21461, 40772, 42922, 44873, 85844, 89746, 112123, 179492, 224246, 234439, 448492, 468878, 493603, 937756, 987206, 1974412, 2578829, 5157658, 10315316, 19886543, 39773086, 79546172, 218751973, 437503946, 457390489, 875007892, 914780978, 1829561956, 5031295379, 10062590758, 20125181516]

約数ペア:

[(1, 20125181516), (2, 10062590758), (4, 5031295379), (11, 1829561956), (22, 914780978), (23, 875007892), (44, 457390489), (46, 437503946), (92, 218751973), (253, 79546172), (506, 39773086), (1012, 19886543), (1951, 10315316), (3902, 5157658), (7804, 2578829), (10193, 1974412), (20386, 987206), (21461, 937756), (40772, 493603), (42922, 468878), (44873, 448492), (85844, 234439), (89746, 224246), (112123, 179492)]