204521605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19751}}^1$

素因数の和:19884

約数の個数: 16

約数和(自身を含む): 260726400

約数和(自身を除く): 56204795

約数列:

[1, 5, 19, 95, 109, 545, 2071, 10355, 19751, 98755, 375269, 1876345, 2152859, 10764295, 40904321, 204521605]

約数ペア:

[(1, 204521605), (5, 40904321), (19, 10764295), (95, 2152859), (109, 1876345), (545, 375269), (2071, 98755), (10355, 19751)]