20287311

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26729}}^1$

素因数の和:26766

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 10505649

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26729, 80187, 294019, 614767, 882057, 1844301, 6762437, 20287311]

約数ペア:

[(1, 20287311), (3, 6762437), (11, 1844301), (23, 882057), (33, 614767), (69, 294019), (253, 80187), (759, 26729)]