20207504

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{2531}}^1$

素因数の和:3038

約数の個数: 20

約数和(自身を含む): 39246000

約数和(自身を除く): 19038496

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 2531, 3992, 5062, 7984, 10124, 20248, 40496, 1262969, 2525938, 5051876, 10103752, 20207504]

約数ペア:

[(1, 20207504), (2, 10103752), (4, 5051876), (8, 2525938), (16, 1262969), (499, 40496), (998, 20248), (1996, 10124), (2531, 7984), (3992, 5062)]