20513552

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9787}}^1$

素因数の和:9926

約数の個数: 20

約数和(自身を含む): 40052496

約数和(自身を除く): 19538944

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9787, 19574, 39148, 78296, 156592, 1282097, 2564194, 5128388, 10256776, 20513552]

約数ペア:

[(1, 20513552), (2, 10256776), (4, 5128388), (8, 2564194), (16, 1282097), (131, 156592), (262, 78296), (524, 39148), (1048, 19574), (2096, 9787)]