20762937

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 33057024

約数和(自身を除く): 12294087

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4127, 5031, 12381, 37143, 53651, 160953, 177461, 482859, 532383, 1597149, 2306993, 6920979, 20762937]

約数ペア:

[(1, 20762937), (3, 6920979), (9, 2306993), (13, 1597149), (39, 532383), (43, 482859), (117, 177461), (129, 160953), (387, 53651), (559, 37143), (1677, 12381), (4127, 5031)]