20554902

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15643}}^1$

素因数の和:15724

約数の個数: 24

約数和(自身を含む): 45148584

約数和(自身を除く): 24593682

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15643, 31286, 46929, 93858, 140787, 281574, 1141939, 2283878, 3425817, 6851634, 10277451, 20554902]

約数ペア:

[(1, 20554902), (2, 10277451), (3, 6851634), (6, 3425817), (9, 2283878), (18, 1141939), (73, 281574), (146, 140787), (219, 93858), (438, 46929), (657, 31286), (1314, 15643)]