20415283

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7459}}^1$

素因数の和:7506

約数の個数: 16

約数和(自身を含む): 25781760

約数和(自身を除く): 5366477

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7459, 52213, 126803, 171557, 887621, 1200899, 2916469, 20415283]

約数ペア:

[(1, 20415283), (7, 2916469), (17, 1200899), (23, 887621), (119, 171557), (161, 126803), (391, 52213), (2737, 7459)]