20670657

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57901}}^1$

素因数の和:57928

約数の個数: 16

約数和(自身を含む): 33351552

約数和(自身を除く): 12680895

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57901, 173703, 405307, 984317, 1215921, 2952951, 6890219, 20670657]

約数ペア:

[(1, 20670657), (3, 6890219), (7, 2952951), (17, 1215921), (21, 984317), (51, 405307), (119, 173703), (357, 57901)]