20824208

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2557}}^1$

素因数の和:3074

約数の個数: 20

約数和(自身を含む): 40441980

約数和(自身を除く): 19617772

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2557, 4072, 5114, 8144, 10228, 20456, 40912, 1301513, 2603026, 5206052, 10412104, 20824208]

約数ペア:

[(1, 20824208), (2, 10412104), (4, 5206052), (8, 2603026), (16, 1301513), (509, 40912), (1018, 20456), (2036, 10228), (2557, 8144), (4072, 5114)]