20217934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12589}}^1$

素因数の和:12675

約数の個数: 16

約数和(自身を含む): 33539760

約数和(自身を除く): 13321826

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12589, 25178, 138479, 276958, 918997, 1837994, 10108967, 20217934]

約数ペア:

[(1, 20217934), (2, 10108967), (11, 1837994), (22, 918997), (73, 276958), (146, 138479), (803, 25178), (1606, 12589)]