20180944

素因数分解:

$2^4\times 7^2\times {\mathrm{25741}}^1$

素因数の和:25763

約数の個数: 30

約数和(自身を含む): 45486114

約数和(自身を除く): 25305170

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25741, 51482, 102964, 180187, 205928, 360374, 411856, 720748, 1261309, 1441496, 2522618, 2882992, 5045236, 10090472, 20180944]

約数ペア:

[(1, 20180944), (2, 10090472), (4, 5045236), (7, 2882992), (8, 2522618), (14, 1441496), (16, 1261309), (28, 720748), (49, 411856), (56, 360374), (98, 205928), (112, 180187), (196, 102964), (392, 51482), (784, 25741)]