20956984

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7297}}^1$

素因数の和:7662

約数の個数: 16

約数和(自身を含む): 39409200

約数和(自身を除く): 18452216

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7297, 14594, 29188, 58376, 2619623, 5239246, 10478492, 20956984]

約数ペア:

[(1, 20956984), (2, 10478492), (4, 5239246), (8, 2619623), (359, 58376), (718, 29188), (1436, 14594), (2872, 7297)]