20450008

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{38153}}^1$

素因数の和:38226

約数の個数: 16

約数和(自身を含む): 38917080

約数和(自身を除く): 18467072

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 38153, 76306, 152612, 305224, 2556251, 5112502, 10225004, 20450008]

約数ペア:

[(1, 20450008), (2, 10225004), (4, 5112502), (8, 2556251), (67, 305224), (134, 152612), (268, 76306), (536, 38153)]