20193039

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31601}}^1$

素因数の和:31678

約数の個数: 12

約数和(自身を含む): 29579472

約数和(自身を除く): 9386433

約数列:

[1, 3, 9, 71, 213, 639, 31601, 94803, 284409, 2243671, 6731013, 20193039]

約数ペア:

[(1, 20193039), (3, 6731013), (9, 2243671), (71, 284409), (213, 94803), (639, 31601)]