20140168

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 18889592

約数列:

[1, 2, 4, 8, 43, 86, 127, 172, 254, 344, 461, 508, 922, 1016, 1844, 3688, 5461, 10922, 19823, 21844, 39646, 43688, 58547, 79292, 117094, 158584, 234188, 468376, 2517521, 5035042, 10070084, 20140168]

約数ペア:

[(1, 20140168), (2, 10070084), (4, 5035042), (8, 2517521), (43, 468376), (86, 234188), (127, 158584), (172, 117094), (254, 79292), (344, 58547), (461, 43688), (508, 39646), (922, 21844), (1016, 19823), (1844, 10922), (3688, 5461)]