20696216

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19220584

約数列:

[1, 2, 4, 8, 71, 83, 142, 166, 284, 332, 439, 568, 664, 878, 1756, 3512, 5893, 11786, 23572, 31169, 36437, 47144, 62338, 72874, 124676, 145748, 249352, 291496, 2587027, 5174054, 10348108, 20696216]

約数ペア:

[(1, 20696216), (2, 10348108), (4, 5174054), (8, 2587027), (71, 291496), (83, 249352), (142, 145748), (166, 124676), (284, 72874), (332, 62338), (439, 47144), (568, 36437), (664, 31169), (878, 23572), (1756, 11786), (3512, 5893)]