20449716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1777}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 54961536

約数和(自身を除く): 34511820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1777, 1918, 2877, 3554, 3836, 5331, 5754, 7108, 10662, 11508, 12439, 21324, 24878, 37317, 49756, 74634, 149268, 243449, 486898, 730347, 973796, 1460694, 1704143, 2921388, 3408286, 5112429, 6816572, 10224858, 20449716]

約数ペア:

[(1, 20449716), (2, 10224858), (3, 6816572), (4, 5112429), (6, 3408286), (7, 2921388), (12, 1704143), (14, 1460694), (21, 973796), (28, 730347), (42, 486898), (84, 243449), (137, 149268), (274, 74634), (411, 49756), (548, 37317), (822, 24878), (959, 21324), (1644, 12439), (1777, 11508), (1918, 10662), (2877, 7108), (3554, 5754), (3836, 5331)]