20318996918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1\times {\mathrm{442121}}^1$

素因数の和:444223

約数の個数: 16

約数和(自身を含む): 33265259280

約数和(自身を除く): 12946262362

約数列:

[1, 2, 11, 22, 2089, 4178, 22979, 45958, 442121, 884242, 4863331, 9726662, 923590769, 1847181538, 10159498459, 20318996918]

約数ペア:

[(1, 20318996918), (2, 10159498459), (11, 1847181538), (22, 923590769), (2089, 9726662), (4178, 4863331), (22979, 884242), (45958, 442121)]