20996815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26083}}^1$

素因数の和:26118

約数の個数: 16

約数和(自身を含む): 30048768

約数和(自身を除く): 9051953

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26083, 130415, 182581, 599909, 912905, 2999545, 4199363, 20996815]

約数ペア:

[(1, 20996815), (5, 4199363), (7, 2999545), (23, 912905), (35, 599909), (115, 182581), (161, 130415), (805, 26083)]