20543841

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16189}}^1$

素因数の和:16245

約数の個数: 16

約数和(自身を含む): 31084800

約数和(自身を除く): 10540959

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16189, 48567, 145701, 437103, 760883, 2282649, 6847947, 20543841]

約数ペア:

[(1, 20543841), (3, 6847947), (9, 2282649), (27, 760883), (47, 437103), (141, 145701), (423, 48567), (1269, 16189)]