20782827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9349}}^1$

素因数の和:9387

約数の個数: 24

約数和(自身を含む): 34034000

約数和(自身を除く): 13251173

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9349, 28047, 84141, 121537, 177631, 364611, 532893, 1093833, 1598679, 2309203, 6927609, 20782827]

約数ペア:

[(1, 20782827), (3, 6927609), (9, 2309203), (13, 1598679), (19, 1093833), (39, 532893), (57, 364611), (117, 177631), (171, 121537), (247, 84141), (741, 28047), (2223, 9349)]