20711936

素因数分解:

$2^9\times 7^1\times {\mathrm{5779}}^1$

素因数の和:5804

約数の個数: 40

約数和(自身を含む): 47303520

約数和(自身を除く): 26591584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5779, 11558, 23116, 40453, 46232, 80906, 92464, 161812, 184928, 323624, 369856, 647248, 739712, 1294496, 1479424, 2588992, 2958848, 5177984, 10355968, 20711936]

約数ペア:

[(1, 20711936), (2, 10355968), (4, 5177984), (7, 2958848), (8, 2588992), (14, 1479424), (16, 1294496), (28, 739712), (32, 647248), (56, 369856), (64, 323624), (112, 184928), (128, 161812), (224, 92464), (256, 80906), (448, 46232), (512, 40453), (896, 23116), (1792, 11558), (3584, 5779)]