20684363

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 3645877

約数列:

[1, 7, 53, 127, 371, 439, 889, 3073, 6731, 23267, 47117, 55753, 162869, 390271, 2954909, 20684363]

約数ペア:

[(1, 20684363), (7, 2954909), (53, 390271), (127, 162869), (371, 55753), (439, 47117), (889, 23267), (3073, 6731)]