20747528

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2417}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 41347800

約数和(自身を除く): 20600272

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2417, 4292, 4834, 8584, 9668, 19336, 70093, 89429, 140186, 178858, 280372, 357716, 560744, 715432, 2593441, 5186882, 10373764, 20747528]

約数ペア:

[(1, 20747528), (2, 10373764), (4, 5186882), (8, 2593441), (29, 715432), (37, 560744), (58, 357716), (74, 280372), (116, 178858), (148, 140186), (232, 89429), (296, 70093), (1073, 19336), (2146, 9668), (2417, 8584), (4292, 4834)]