20327256

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2741}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 55607760

約数和(自身を除く): 35280504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2741, 3708, 5482, 7416, 8223, 10964, 16446, 21928, 24669, 32892, 49338, 65784, 98676, 197352, 282323, 564646, 846969, 1129292, 1693938, 2258584, 2540907, 3387876, 5081814, 6775752, 10163628, 20327256]

約数ペア:

[(1, 20327256), (2, 10163628), (3, 6775752), (4, 5081814), (6, 3387876), (8, 2540907), (9, 2258584), (12, 1693938), (18, 1129292), (24, 846969), (36, 564646), (72, 282323), (103, 197352), (206, 98676), (309, 65784), (412, 49338), (618, 32892), (824, 24669), (927, 21928), (1236, 16446), (1854, 10964), (2472, 8223), (2741, 7416), (3708, 5482)]