20280276

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7717}}^1$

素因数の和:7800

約数の個数: 36

約数和(自身を含む): 51973012

約数和(自身を除く): 31692736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7717, 15434, 23151, 30868, 46302, 69453, 92604, 138906, 277812, 563341, 1126682, 1690023, 2253364, 3380046, 5070069, 6760092, 10140138, 20280276]

約数ペア:

[(1, 20280276), (2, 10140138), (3, 6760092), (4, 5070069), (6, 3380046), (9, 2253364), (12, 1690023), (18, 1126682), (36, 563341), (73, 277812), (146, 138906), (219, 92604), (292, 69453), (438, 46302), (657, 30868), (876, 23151), (1314, 15434), (2628, 7717)]