20040351

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 7175649

約数列:

[1, 3, 107, 149, 321, 419, 447, 1257, 15943, 44833, 47829, 62431, 134499, 187293, 6680117, 20040351]

約数ペア:

[(1, 20040351), (3, 6680117), (107, 187293), (149, 134499), (321, 62431), (419, 47829), (447, 44833), (1257, 15943)]