20247087

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2237}}^1$

素因数の和:2678

約数の個数: 16

約数和(自身を含む): 30938112

約数和(自身を除く): 10691025

約数列:

[1, 3, 7, 21, 431, 1293, 2237, 3017, 6711, 9051, 15659, 46977, 964147, 2892441, 6749029, 20247087]

約数ペア:

[(1, 20247087), (3, 6749029), (7, 2892441), (21, 964147), (431, 46977), (1293, 15659), (2237, 9051), (3017, 6711)]