20395396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23497}}^1$

素因数の和:23539

約数の個数: 24

約数和(自身を含む): 42108416

約数和(自身を除く): 21713020

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23497, 46994, 93988, 164479, 328958, 657916, 728407, 1456814, 2913628, 5098849, 10197698, 20395396]

約数ペア:

[(1, 20395396), (2, 10197698), (4, 5098849), (7, 2913628), (14, 1456814), (28, 728407), (31, 657916), (62, 328958), (124, 164479), (217, 93988), (434, 46994), (868, 23497)]