20419378

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1654

約数の個数: 24

約数和(自身を含む): 35910000

約数和(自身を除く): 15490622

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 973, 1499, 1946, 2998, 6811, 10493, 13622, 20986, 73451, 146902, 208361, 416722, 1458527, 2917054, 10209689, 20419378]

約数ペア:

[(1, 20419378), (2, 10209689), (7, 2917054), (14, 1458527), (49, 416722), (98, 208361), (139, 146902), (278, 73451), (973, 20986), (1499, 13622), (1946, 10493), (2998, 6811)]