20305005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193381}}^1$

素因数の和:193396

約数の個数: 16

約数和(自身を含む): 37129344

約数和(自身を除く): 16824339

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193381, 580143, 966905, 1353667, 2900715, 4061001, 6768335, 20305005]

約数ペア:

[(1, 20305005), (3, 6768335), (5, 4061001), (7, 2900715), (15, 1353667), (21, 966905), (35, 580143), (105, 193381)]