20684976

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33149}}^1$

素因数の和:33173

約数の個数: 40

約数和(自身を含む): 57548400

約数和(自身を除く): 36863424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33149, 66298, 99447, 132596, 198894, 265192, 397788, 430937, 530384, 795576, 861874, 1292811, 1591152, 1723748, 2585622, 3447496, 5171244, 6894992, 10342488, 20684976]

約数ペア:

[(1, 20684976), (2, 10342488), (3, 6894992), (4, 5171244), (6, 3447496), (8, 2585622), (12, 1723748), (13, 1591152), (16, 1292811), (24, 861874), (26, 795576), (39, 530384), (48, 430937), (52, 397788), (78, 265192), (104, 198894), (156, 132596), (208, 99447), (312, 66298), (624, 33149)]