20187870093

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{52165039}}^1$

素因数の和:52165088

約数の個数: 12

約数和(自身を含む): 29838402880

約数和(自身を除く): 9650532787

約数列:

[1, 3, 9, 43, 129, 387, 52165039, 156495117, 469485351, 2243096677, 6729290031, 20187870093]

約数ペア:

[(1, 20187870093), (3, 6729290031), (9, 2243096677), (43, 469485351), (129, 156495117), (387, 52165039)]