20269119

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3739}}^1$

素因数の和:3894

約数の個数: 16

約数和(自身を含む): 29321600

約数和(自身を除く): 9052481

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3739, 5421, 11217, 48607, 145821, 519721, 1559163, 6756373, 20269119]

約数ペア:

[(1, 20269119), (3, 6756373), (13, 1559163), (39, 519721), (139, 145821), (417, 48607), (1807, 11217), (3739, 5421)]