20970663

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32213}}^1$

素因数の和:32254

約数の個数: 16

約数和(自身を含む): 32987136

約数和(自身を除く): 12016473

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32213, 96639, 225491, 676473, 998603, 2995809, 6990221, 20970663]

約数ペア:

[(1, 20970663), (3, 6990221), (7, 2995809), (21, 998603), (31, 676473), (93, 225491), (217, 96639), (651, 32213)]