20309751

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9769}}^1$

素因数の和:9796

約数の個数: 32

約数和(自身を含む): 37516800

約数和(自身を除く): 17207049

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9769, 29307, 68383, 87921, 107459, 205149, 263763, 322377, 615447, 752213, 967131, 1846341, 2256639, 2901393, 6769917, 20309751]

約数ペア:

[(1, 20309751), (3, 6769917), (7, 2901393), (9, 2256639), (11, 1846341), (21, 967131), (27, 752213), (33, 615447), (63, 322377), (77, 263763), (99, 205149), (189, 107459), (231, 87921), (297, 68383), (693, 29307), (2079, 9769)]