20217491709

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1\times {\mathrm{17839}}^1$

素因数の和:18257

約数の個数: 32

約数和(自身を含む): 28943616000

約数和(自身を除く): 8726124291

約数列:

[1, 3, 19, 57, 59, 177, 337, 1011, 1121, 3363, 6403, 17839, 19209, 19883, 53517, 59649, 338941, 377777, 1016823, 1052501, 1133331, 3157503, 6011743, 18035229, 19997519, 59992557, 114223117, 342669351, 354692837, 1064078511, 6739163903, 20217491709]

約数ペア:

[(1, 20217491709), (3, 6739163903), (19, 1064078511), (57, 354692837), (59, 342669351), (177, 114223117), (337, 59992557), (1011, 19997519), (1121, 18035229), (3363, 6011743), (6403, 3157503), (17839, 1133331), (19209, 1052501), (19883, 1016823), (53517, 377777), (59649, 338941)]