20856066

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6449}}^1$

素因数の和:6479

約数の個数: 48

約数和(自身を含む): 52941600

約数和(自身を除く): 32085534

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6449, 12898, 19347, 38694, 45143, 70939, 90286, 135429, 141878, 212817, 270858, 316001, 425634, 496573, 632002, 948003, 993146, 1489719, 1896006, 2979438, 3476011, 6952022, 10428033, 20856066]

約数ペア:

[(1, 20856066), (2, 10428033), (3, 6952022), (6, 3476011), (7, 2979438), (11, 1896006), (14, 1489719), (21, 993146), (22, 948003), (33, 632002), (42, 496573), (49, 425634), (66, 316001), (77, 270858), (98, 212817), (147, 141878), (154, 135429), (231, 90286), (294, 70939), (462, 45143), (539, 38694), (1078, 19347), (1617, 12898), (3234, 6449)]