20554347

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4481}}^1$

素因数の和:4634

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 9564693

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4481, 4587, 13443, 49291, 147873, 622859, 1868577, 6851449, 20554347]

約数ペア:

[(1, 20554347), (3, 6851449), (11, 1868577), (33, 622859), (139, 147873), (417, 49291), (1529, 13443), (4481, 4587)]