20993419

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2291381

約数列:

[1, 17, 29, 97, 439, 493, 1649, 2813, 7463, 12731, 42583, 47821, 216427, 723911, 1234907, 20993419]

約数ペア:

[(1, 20993419), (17, 1234907), (29, 723911), (97, 216427), (439, 47821), (493, 42583), (1649, 12731), (2813, 7463)]