20208368

素因数分解:

$2^4\times {\mathrm{547}}^1\times {\mathrm{2309}}^1$

素因数の和:2864

約数の個数: 20

約数和(自身を含む): 39242280

約数和(自身を除く): 19033912

約数列:

[1, 2, 4, 8, 16, 547, 1094, 2188, 2309, 4376, 4618, 8752, 9236, 18472, 36944, 1263023, 2526046, 5052092, 10104184, 20208368]

約数ペア:

[(1, 20208368), (2, 10104184), (4, 5052092), (8, 2526046), (16, 1263023), (547, 36944), (1094, 18472), (2188, 9236), (2309, 8752), (4376, 4618)]