20591879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15731}}^1$

素因数の和:15766

約数の個数: 16

約数和(自身を含む): 27184896

約数和(自身を除く): 6593017

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15731, 110117, 173041, 267427, 1211287, 1871989, 2941697, 20591879]

約数ペア:

[(1, 20591879), (7, 2941697), (11, 1871989), (17, 1211287), (77, 267427), (119, 173041), (187, 110117), (1309, 15731)]