20529144

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1193}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 55879200

約数和(自身を除く): 35350056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1193, 1434, 1912, 2151, 2386, 2868, 3579, 4302, 4772, 5736, 7158, 8604, 9544, 10737, 14316, 17208, 21474, 28632, 42948, 85896, 285127, 570254, 855381, 1140508, 1710762, 2281016, 2566143, 3421524, 5132286, 6843048, 10264572, 20529144]

約数ペア:

[(1, 20529144), (2, 10264572), (3, 6843048), (4, 5132286), (6, 3421524), (8, 2566143), (9, 2281016), (12, 1710762), (18, 1140508), (24, 855381), (36, 570254), (72, 285127), (239, 85896), (478, 42948), (717, 28632), (956, 21474), (1193, 17208), (1434, 14316), (1912, 10737), (2151, 9544), (2386, 8604), (2868, 7158), (3579, 5736), (4302, 4772)]