20970802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{709}}^1$

素因数の和:1377

約数の個数: 16

約数和(自身を含む): 32921280

約数和(自身を除く): 11950478

約数列:

[1, 2, 23, 46, 643, 709, 1286, 1418, 14789, 16307, 29578, 32614, 455887, 911774, 10485401, 20970802]

約数ペア:

[(1, 20970802), (2, 10485401), (23, 911774), (46, 455887), (643, 32614), (709, 29578), (1286, 16307), (1418, 14789)]