20623904

素因数分解:

$2^5\times 7^3\times {\mathrm{1879}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 47376000

約数和(自身を除く): 26752096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1879, 2744, 3758, 5488, 7516, 10976, 13153, 15032, 26306, 30064, 52612, 60128, 92071, 105224, 184142, 210448, 368284, 420896, 644497, 736568, 1288994, 1473136, 2577988, 2946272, 5155976, 10311952, 20623904]

約数ペア:

[(1, 20623904), (2, 10311952), (4, 5155976), (7, 2946272), (8, 2577988), (14, 1473136), (16, 1288994), (28, 736568), (32, 644497), (49, 420896), (56, 368284), (98, 210448), (112, 184142), (196, 105224), (224, 92071), (343, 60128), (392, 52612), (686, 30064), (784, 26306), (1372, 15032), (1568, 13153), (1879, 10976), (2744, 7516), (3758, 5488)]