20804128

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{2399}}^1$

素因数の和:2680

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 20322272

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 2399, 4336, 4798, 8672, 9596, 19192, 38384, 76768, 650129, 1300258, 2600516, 5201032, 10402064, 20804128]

約数ペア:

[(1, 20804128), (2, 10402064), (4, 5201032), (8, 2600516), (16, 1300258), (32, 650129), (271, 76768), (542, 38384), (1084, 19192), (2168, 9596), (2399, 8672), (4336, 4798)]