20384912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43933}}^1$

素因数の和:43970

約数の個数: 20

約数和(自身を含む): 40858620

約数和(自身を除く): 20473708

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43933, 87866, 175732, 351464, 702928, 1274057, 2548114, 5096228, 10192456, 20384912]

約数ペア:

[(1, 20384912), (2, 10192456), (4, 5096228), (8, 2548114), (16, 1274057), (29, 702928), (58, 351464), (116, 175732), (232, 87866), (464, 43933)]