20903039

素因数分解:

${\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 22271040

約数和(自身を除く): 1368001

約数列:

[1, 37, 71, 73, 109, 2627, 2701, 4033, 5183, 7739, 7957, 191771, 286343, 294409, 564947, 20903039]

約数ペア:

[(1, 20903039), (37, 564947), (71, 294409), (73, 286343), (109, 191771), (2627, 7957), (2701, 7739), (4033, 5183)]