20684384

素因数分解:

$2^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 47029248

約数和(自身を除く): 26344864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 107, 112, 214, 224, 428, 749, 856, 863, 1498, 1712, 1726, 2996, 3424, 3452, 5992, 6041, 6904, 11984, 12082, 13808, 23968, 24164, 27616, 48328, 92341, 96656, 184682, 193312, 369364, 646387, 738728, 1292774, 1477456, 2585548, 2954912, 5171096, 10342192, 20684384]

約数ペア:

[(1, 20684384), (2, 10342192), (4, 5171096), (7, 2954912), (8, 2585548), (14, 1477456), (16, 1292774), (28, 738728), (32, 646387), (56, 369364), (107, 193312), (112, 184682), (214, 96656), (224, 92341), (428, 48328), (749, 27616), (856, 24164), (863, 23968), (1498, 13808), (1712, 12082), (1726, 11984), (2996, 6904), (3424, 6041), (3452, 5992)]