20239516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9787}}^1$

素因数の和:9849

約数の個数: 24

約数和(自身を含む): 39465216

約数和(自身を除く): 19225700

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9787, 19574, 39148, 107657, 215314, 430628, 459989, 919978, 1839956, 5059879, 10119758, 20239516]

約数ペア:

[(1, 20239516), (2, 10119758), (4, 5059879), (11, 1839956), (22, 919978), (44, 459989), (47, 430628), (94, 215314), (188, 107657), (517, 39148), (1034, 19574), (2068, 9787)]