20018448

素因数分解:

$2^4\times 3^3\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 58032000

約数和(自身を除く): 38013552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 149, 216, 298, 311, 432, 447, 596, 622, 894, 933, 1192, 1244, 1341, 1788, 1866, 2384, 2488, 2682, 2799, 3576, 3732, 4023, 4976, 5364, 5598, 7152, 7464, 8046, 8397, 10728, 11196, 14928, 16092, 16794, 21456, 22392, 32184, 33588, 44784, 46339, 64368, 67176, 92678, 134352, 139017, 185356, 278034, 370712, 417051, 556068, 741424, 834102, 1112136, 1251153, 1668204, 2224272, 2502306, 3336408, 5004612, 6672816, 10009224, 20018448]

約数ペア:

[(1, 20018448), (2, 10009224), (3, 6672816), (4, 5004612), (6, 3336408), (8, 2502306), (9, 2224272), (12, 1668204), (16, 1251153), (18, 1112136), (24, 834102), (27, 741424), (36, 556068), (48, 417051), (54, 370712), (72, 278034), (108, 185356), (144, 139017), (149, 134352), (216, 92678), (298, 67176), (311, 64368), (432, 46339), (447, 44784), (596, 33588), (622, 32184), (894, 22392), (933, 21456), (1192, 16794), (1244, 16092), (1341, 14928), (1788, 11196), (1866, 10728), (2384, 8397), (2488, 8046), (2682, 7464), (2799, 7152), (3576, 5598), (3732, 5364), (4023, 4976)]