20765563208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199668877}}^1$

素因数の和:199668896

約数の個数: 16

約数和(自身を含む): 41930464380

約数和(自身を除く): 21164901172

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199668877, 399337754, 798675508, 1597351016, 2595695401, 5191390802, 10382781604, 20765563208]

約数ペア:

[(1, 20765563208), (2, 10382781604), (4, 5191390802), (8, 2595695401), (13, 1597351016), (26, 798675508), (52, 399337754), (104, 199668877)]