20653884

素因数分解:

$2^2\times 3^2\times {\mathrm{573719}}^1$

素因数の和:573729

約数の個数: 18

約数和(自身を含む): 52208520

約数和(自身を除く): 31554636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 573719, 1147438, 1721157, 2294876, 3442314, 5163471, 6884628, 10326942, 20653884]

約数ペア:

[(1, 20653884), (2, 10326942), (3, 6884628), (4, 5163471), (6, 3442314), (9, 2294876), (12, 1721157), (18, 1147438), (36, 573719)]