20677412

素因数分解:

$2^2\times 7^4\times {\mathrm{2153}}^1$

素因数の和:2185

約数の個数: 30

約数和(自身を含む): 42233478

約数和(自身を除く): 21556066

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2153, 2401, 4306, 4802, 8612, 9604, 15071, 30142, 60284, 105497, 210994, 421988, 738479, 1476958, 2953916, 5169353, 10338706, 20677412]

約数ペア:

[(1, 20677412), (2, 10338706), (4, 5169353), (7, 2953916), (14, 1476958), (28, 738479), (49, 421988), (98, 210994), (196, 105497), (343, 60284), (686, 30142), (1372, 15071), (2153, 9604), (2401, 8612), (4306, 4802)]