20849264

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1307}}^1$

素因数の和:2312

約数の個数: 20

約数和(自身を含む): 40466904

約数和(自身を除く): 19617640

約数列:

[1, 2, 4, 8, 16, 997, 1307, 1994, 2614, 3988, 5228, 7976, 10456, 15952, 20912, 1303079, 2606158, 5212316, 10424632, 20849264]

約数ペア:

[(1, 20849264), (2, 10424632), (4, 5212316), (8, 2606158), (16, 1303079), (997, 20912), (1307, 15952), (1994, 10456), (2614, 7976), (3988, 5228)]