20745627

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58111}}^1$

素因数の和:58138

約数の個数: 16

約数和(自身を含む): 33472512

約数和(自身を除く): 12726885

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58111, 174333, 406777, 987887, 1220331, 2963661, 6915209, 20745627]

約数ペア:

[(1, 20745627), (3, 6915209), (7, 2963661), (17, 1220331), (21, 987887), (51, 406777), (119, 174333), (357, 58111)]