20161689904

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3290093}}^1$

素因数の和:3290484

約数の個数: 20

約数和(自身を含む): 39165278976

約数和(自身を除く): 19003589072

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128, 3290093, 6580186, 13160372, 26320744, 52641488, 1260105619, 2520211238, 5040422476, 10080844952, 20161689904]

約数ペア:

[(1, 20161689904), (2, 10080844952), (4, 5040422476), (8, 2520211238), (16, 1260105619), (383, 52641488), (766, 26320744), (1532, 13160372), (3064, 6580186), (6128, 3290093)]