20541724

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1999}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 41216000

約数和(自身を除く): 20674276

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 1999, 2569, 3998, 5138, 7996, 10276, 13993, 27986, 55972, 733633, 1467266, 2934532, 5135431, 10270862, 20541724]

約数ペア:

[(1, 20541724), (2, 10270862), (4, 5135431), (7, 2934532), (14, 1467266), (28, 733633), (367, 55972), (734, 27986), (1468, 13993), (1999, 10276), (2569, 7996), (3998, 5138)]