20452003

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 5675357

約数列:

[1, 11, 13, 17, 47, 143, 179, 187, 221, 517, 611, 799, 1969, 2327, 2431, 3043, 6721, 8413, 8789, 10387, 25597, 33473, 39559, 92543, 109369, 114257, 143021, 435149, 1203059, 1573231, 1859273, 20452003]

約数ペア:

[(1, 20452003), (11, 1859273), (13, 1573231), (17, 1203059), (47, 435149), (143, 143021), (179, 114257), (187, 109369), (221, 92543), (517, 39559), (611, 33473), (799, 25597), (1969, 10387), (2327, 8789), (2431, 8413), (3043, 6721)]