20688008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{235091}}^1$

素因数の和:235108

約数の個数: 16

約数和(自身を含む): 42316560

約数和(自身を除く): 21628552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 235091, 470182, 940364, 1880728, 2586001, 5172002, 10344004, 20688008]

約数ペア:

[(1, 20688008), (2, 10344004), (4, 5172002), (8, 2586001), (11, 1880728), (22, 940364), (44, 470182), (88, 235091)]