2009686736

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{246769}}^1$

素因数の和:247286

約数の個数: 20

約数和(自身を含む): 3901433700

約数和(自身を除く): 1891746964

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 246769, 493538, 987076, 1974152, 3948304, 125605421, 251210842, 502421684, 1004843368, 2009686736]

約数ペア:

[(1, 2009686736), (2, 1004843368), (4, 502421684), (8, 251210842), (16, 125605421), (509, 3948304), (1018, 1974152), (2036, 987076), (4072, 493538), (8144, 246769)]