20646745

素因数分解:

$5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{953}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 28391040

約数和(自身を除く): 7744295

約数列:

[1, 5, 7, 35, 619, 953, 3095, 4333, 4765, 6671, 21665, 33355, 589907, 2949535, 4129349, 20646745]

約数ペア:

[(1, 20646745), (5, 4129349), (7, 2949535), (35, 589907), (619, 33355), (953, 21665), (3095, 6671), (4333, 4765)]