20282139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6977}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 32657040

約数和(自身を除く): 12374901

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6977, 20931, 62793, 118609, 132563, 355827, 397689, 1067481, 1193067, 2253571, 6760713, 20282139]

約数ペア:

[(1, 20282139), (3, 6760713), (9, 2253571), (17, 1193067), (19, 1067481), (51, 397689), (57, 355827), (153, 132563), (171, 118609), (323, 62793), (969, 20931), (2907, 6977)]