20004411

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12251589

約数列:

[1, 3, 7, 21, 23, 69, 83, 161, 249, 483, 499, 581, 1497, 1743, 1909, 3493, 5727, 10479, 11477, 13363, 34431, 40089, 41417, 80339, 124251, 241017, 289919, 869757, 952591, 2857773, 6668137, 20004411]

約数ペア:

[(1, 20004411), (3, 6668137), (7, 2857773), (21, 952591), (23, 869757), (69, 289919), (83, 241017), (161, 124251), (249, 80339), (483, 41417), (499, 40089), (581, 34431), (1497, 13363), (1743, 11477), (1909, 10479), (3493, 5727)]