20553335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7951}}^1$

素因数の和:8014

約数の個数: 16

約数和(自身を含む): 27482112

約数和(自身を除く): 6928777

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7951, 39755, 87461, 373697, 437305, 1868485, 4110667, 20553335]

約数ペア:

[(1, 20553335), (5, 4110667), (11, 1868485), (47, 437305), (55, 373697), (235, 87461), (517, 39755), (2585, 7951)]