20004705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21169}}^1$

素因数の和:21190

約数の個数: 32

約数和(自身を含む): 40646400

約数和(自身を除く): 20641695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21169, 63507, 105845, 148183, 190521, 317535, 444549, 571563, 740915, 952605, 1333647, 2222745, 2857815, 4000941, 6668235, 20004705]

約数ペア:

[(1, 20004705), (3, 6668235), (5, 4000941), (7, 2857815), (9, 2222745), (15, 1333647), (21, 952605), (27, 740915), (35, 571563), (45, 444549), (63, 317535), (105, 190521), (135, 148183), (189, 105845), (315, 63507), (945, 21169)]