20476863

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 32409936

約数和(自身を除く): 11933073

約数列:

[1, 3, 9, 11, 33, 99, 397, 521, 1191, 1563, 3573, 4367, 4689, 5731, 13101, 17193, 39303, 51579, 206837, 620511, 1861533, 2275207, 6825621, 20476863]

約数ペア:

[(1, 20476863), (3, 6825621), (9, 2275207), (11, 1861533), (33, 620511), (99, 206837), (397, 51579), (521, 39303), (1191, 17193), (1563, 13101), (3573, 5731), (4367, 4689)]