20949799

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 24040800

約数和(自身を除く): 3091001

約数列:

[1, 13, 19, 89, 247, 953, 1157, 1691, 12389, 18107, 21983, 84817, 235391, 1102621, 1611523, 20949799]

約数ペア:

[(1, 20949799), (13, 1611523), (19, 1102621), (89, 235391), (247, 84817), (953, 21983), (1157, 18107), (1691, 12389)]