20638412

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 37373616

約数和(自身を除く): 16735204

約数列:

[1, 2, 4, 53, 67, 106, 134, 212, 268, 1453, 2906, 3551, 5812, 7102, 14204, 77009, 97351, 154018, 194702, 308036, 389404, 5159603, 10319206, 20638412]

約数ペア:

[(1, 20638412), (2, 10319206), (4, 5159603), (53, 389404), (67, 308036), (106, 194702), (134, 154018), (212, 97351), (268, 77009), (1453, 14204), (2906, 7102), (3551, 5812)]