20540944

素因数分解:

$2^4\times {\mathrm{547}}^1\times {\mathrm{2347}}^1$

素因数の和:2902

約数の個数: 20

約数和(自身を含む): 39887824

約数和(自身を除く): 19346880

約数列:

[1, 2, 4, 8, 16, 547, 1094, 2188, 2347, 4376, 4694, 8752, 9388, 18776, 37552, 1283809, 2567618, 5135236, 10270472, 20540944]

約数ペア:

[(1, 20540944), (2, 10270472), (4, 5135236), (8, 2567618), (16, 1283809), (547, 37552), (1094, 18776), (2188, 9388), (2347, 8752), (4376, 4694)]