20257322

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 31483392

約数和(自身を除く): 11226070

約数列:

[1, 2, 31, 62, 397, 794, 823, 1646, 12307, 24614, 25513, 51026, 326731, 653462, 10128661, 20257322]

約数ペア:

[(1, 20257322), (2, 10128661), (31, 653462), (62, 326731), (397, 51026), (794, 25513), (823, 24614), (1646, 12307)]