20268003

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 32972800

約数和(自身を除く): 12704797

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 643, 1501, 1659, 1929, 4501, 4503, 10507, 12217, 13503, 31521, 36651, 50797, 85519, 152391, 256557, 355579, 965143, 1066737, 2895429, 6756001, 20268003]

約数ペア:

[(1, 20268003), (3, 6756001), (7, 2895429), (19, 1066737), (21, 965143), (57, 355579), (79, 256557), (133, 152391), (237, 85519), (399, 50797), (553, 36651), (643, 31521), (1501, 13503), (1659, 12217), (1929, 10507), (4501, 4503)]