20512952439

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1\times {\mathrm{4513}}^1$

素因数の和:6767

約数の個数: 32

約数和(自身を含む): 31589044224

約数和(自身を除く): 11076091785

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 2143, 4513, 6429, 13539, 15001, 31591, 45003, 94773, 216443, 455813, 649329, 1367439, 1515101, 3190691, 4545303, 9572073, 9671359, 29014077, 67699513, 203098539, 976807259, 2930421777, 6837650813, 20512952439]

約数ペア:

[(1, 20512952439), (3, 6837650813), (7, 2930421777), (21, 976807259), (101, 203098539), (303, 67699513), (707, 29014077), (2121, 9671359), (2143, 9572073), (4513, 4545303), (6429, 3190691), (13539, 1515101), (15001, 1367439), (31591, 649329), (45003, 455813), (94773, 216443)]