2220021295

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{140909}}^1$

素因数の和:141074

約数の個数: 16

約数和(自身を含む): 2800163520

約数和(自身を除く): 580142225

約数列:

[1, 5, 23, 115, 137, 685, 3151, 15755, 140909, 704545, 3240907, 16204535, 19304533, 96522665, 444004259, 2220021295]

約数ペア:

[(1, 2220021295), (5, 444004259), (23, 96522665), (115, 19304533), (137, 16204535), (685, 3240907), (3151, 704545), (15755, 140909)]