20402774

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 16424362

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 887, 1643, 1774, 3286, 6209, 11501, 12418, 23002, 27497, 47011, 54994, 94022, 192479, 329077, 384958, 658154, 1457341, 2914682, 10201387, 20402774]

約数ペア:

[(1, 20402774), (2, 10201387), (7, 2914682), (14, 1457341), (31, 658154), (53, 384958), (62, 329077), (106, 192479), (217, 94022), (371, 54994), (434, 47011), (742, 27497), (887, 23002), (1643, 12418), (1774, 11501), (3286, 6209)]