20295765

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7159}}^1$

素因数の和:7183

約数の個数: 40

約数和(自身を含む): 41585280

約数和(自身を除く): 21289515

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7159, 21477, 35795, 50113, 64431, 107385, 150339, 193293, 250565, 322155, 451017, 579879, 751695, 966465, 1353051, 2255085, 2899395, 4059153, 6765255, 20295765]

約数ペア:

[(1, 20295765), (3, 6765255), (5, 4059153), (7, 2899395), (9, 2255085), (15, 1353051), (21, 966465), (27, 751695), (35, 579879), (45, 451017), (63, 322155), (81, 250565), (105, 193293), (135, 150339), (189, 107385), (315, 64431), (405, 50113), (567, 35795), (945, 21477), (2835, 7159)]