20749008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1724

約数の個数: 80

約数和(自身を含む): 62952320

約数和(自身を除く): 42203312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1669, 1776, 2072, 3108, 3338, 4144, 5007, 6216, 6676, 10014, 11683, 12432, 13352, 20028, 23366, 26704, 35049, 40056, 46732, 61753, 70098, 80112, 93464, 123506, 140196, 185259, 186928, 247012, 280392, 370518, 432271, 494024, 560784, 741036, 864542, 988048, 1296813, 1482072, 1729084, 2593626, 2964144, 3458168, 5187252, 6916336, 10374504, 20749008]

約数ペア:

[(1, 20749008), (2, 10374504), (3, 6916336), (4, 5187252), (6, 3458168), (7, 2964144), (8, 2593626), (12, 1729084), (14, 1482072), (16, 1296813), (21, 988048), (24, 864542), (28, 741036), (37, 560784), (42, 494024), (48, 432271), (56, 370518), (74, 280392), (84, 247012), (111, 186928), (112, 185259), (148, 140196), (168, 123506), (222, 93464), (259, 80112), (296, 70098), (336, 61753), (444, 46732), (518, 40056), (592, 35049), (777, 26704), (888, 23366), (1036, 20028), (1554, 13352), (1669, 12432), (1776, 11683), (2072, 10014), (3108, 6676), (3338, 6216), (4144, 5007)]