20419656

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6121}}^1$

素因数の和:6269

約数の個数: 32

約数和(自身を含む): 51424800

約数和(自身を除く): 31005144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6121, 12242, 18363, 24484, 36726, 48968, 73452, 146904, 850819, 1701638, 2552457, 3403276, 5104914, 6806552, 10209828, 20419656]

約数ペア:

[(1, 20419656), (2, 10209828), (3, 6806552), (4, 5104914), (6, 3403276), (8, 2552457), (12, 1701638), (24, 850819), (139, 146904), (278, 73452), (417, 48968), (556, 36726), (834, 24484), (1112, 18363), (1668, 12242), (3336, 6121)]