20672121

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7713159

約数列:

[1, 3, 43, 129, 191, 573, 839, 2517, 8213, 24639, 36077, 108231, 160249, 480747, 6890707, 20672121]

約数ペア:

[(1, 20672121), (3, 6890707), (43, 480747), (129, 160249), (191, 108231), (573, 36077), (839, 24639), (2517, 8213)]