20267528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2837}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 40867200

約数和(自身を除く): 20599672

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 2837, 3572, 5674, 7144, 11348, 22696, 53903, 107806, 133339, 215612, 266678, 431224, 533356, 1066712, 2533441, 5066882, 10133764, 20267528]

約数ペア:

[(1, 20267528), (2, 10133764), (4, 5066882), (8, 2533441), (19, 1066712), (38, 533356), (47, 431224), (76, 266678), (94, 215612), (152, 133339), (188, 107806), (376, 53903), (893, 22696), (1786, 11348), (2837, 7144), (3572, 5674)]