20704521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13999}}^1$

素因数の和:14048

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 9535479

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 13999, 41997, 237983, 405971, 713949, 1217913, 6901507, 20704521]

約数ペア:

[(1, 20704521), (3, 6901507), (17, 1217913), (29, 713949), (51, 405971), (87, 237983), (493, 41997), (1479, 13999)]