20333781

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3090

約数の個数: 32

約数和(自身を含む): 34160000

約数和(自身を除く): 13826219

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 3049, 6669, 9147, 27441, 39637, 57931, 82323, 118911, 173793, 356733, 521379, 753103, 1070199, 1564137, 2259309, 6777927, 20333781]

約数ペア:

[(1, 20333781), (3, 6777927), (9, 2259309), (13, 1564137), (19, 1070199), (27, 753103), (39, 521379), (57, 356733), (117, 173793), (171, 118911), (247, 82323), (351, 57931), (513, 39637), (741, 27441), (2223, 9147), (3049, 6669)]