20716619

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3023}}^1$

素因数の和:3130

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 5410741

約数列:

[1, 7, 11, 77, 89, 623, 979, 3023, 6853, 21161, 33253, 232771, 269047, 1883329, 2959517, 20716619]

約数ペア:

[(1, 20716619), (7, 2959517), (11, 1883329), (77, 269047), (89, 232771), (623, 33253), (979, 21161), (3023, 6853)]