20191966461

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{304789}}^1$

素因数の和:305245

約数の個数: 24

約数和(自身を含む): 30953253240

約数和(自身を除く): 10761286779

約数列:

[1, 3, 9, 17, 51, 153, 433, 1299, 3897, 7361, 22083, 66249, 304789, 914367, 2743101, 5181413, 15544239, 46632717, 131973637, 395920911, 1187762733, 2243551829, 6730655487, 20191966461]

約数ペア:

[(1, 20191966461), (3, 6730655487), (9, 2243551829), (17, 1187762733), (51, 395920911), (153, 131973637), (433, 46632717), (1299, 15544239), (3897, 5181413), (7361, 2743101), (22083, 914367), (66249, 304789)]