20543164

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16712516

約数列:

[1, 2, 4, 43, 83, 86, 166, 172, 332, 1439, 2878, 3569, 5756, 7138, 14276, 61877, 119437, 123754, 238874, 247508, 477748, 5135791, 10271582, 20543164]

約数ペア:

[(1, 20543164), (2, 10271582), (4, 5135791), (43, 477748), (83, 247508), (86, 238874), (166, 123754), (172, 119437), (332, 61877), (1439, 14276), (2878, 7138), (3569, 5756)]