20972958

素因数分解:

$2^1\times 3^1\times {\mathrm{619}}^1\times {\mathrm{5647}}^1$

素因数の和:6271

約数の個数: 16

約数和(自身を含む): 42021120

約数和(自身を除く): 21048162

約数列:

[1, 2, 3, 6, 619, 1238, 1857, 3714, 5647, 11294, 16941, 33882, 3495493, 6990986, 10486479, 20972958]

約数ペア:

[(1, 20972958), (2, 10486479), (3, 6990986), (6, 3495493), (619, 33882), (1238, 16941), (1857, 11294), (3714, 5647)]