20810907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10463}}^1$

素因数の和:10499

約数の個数: 24

約数和(自身を含む): 34280064

約数和(自身を除く): 13469157

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10463, 31389, 94167, 136019, 177871, 408057, 533613, 1224171, 1600839, 2312323, 6936969, 20810907]

約数ペア:

[(1, 20810907), (3, 6936969), (9, 2312323), (13, 1600839), (17, 1224171), (39, 533613), (51, 408057), (117, 177871), (153, 136019), (221, 94167), (663, 31389), (1989, 10463)]