20194929

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6989

約数の個数: 24

約数和(自身を含む): 32516640

約数和(自身を除く): 12321711

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6947, 20841, 62523, 118099, 131993, 354297, 395979, 1062891, 1187937, 2243881, 6731643, 20194929]

約数ペア:

[(1, 20194929), (3, 6731643), (9, 2243881), (17, 1187937), (19, 1062891), (51, 395979), (57, 354297), (153, 131993), (171, 118099), (323, 62523), (969, 20841), (2907, 6947)]