20419487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 2597473

約数列:

[1, 11, 59, 73, 431, 649, 803, 4307, 4741, 25429, 31463, 47377, 279719, 346093, 1856317, 20419487]

約数ペア:

[(1, 20419487), (11, 1856317), (59, 346093), (73, 279719), (431, 47377), (649, 31463), (803, 25429), (4307, 4741)]