20814178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1117}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 39282048

約数和(自身を除く): 18467870

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1117, 1331, 1694, 2234, 2662, 7819, 9317, 12287, 15638, 18634, 24574, 86009, 135157, 172018, 270314, 946099, 1486727, 1892198, 2973454, 10407089, 20814178]

約数ペア:

[(1, 20814178), (2, 10407089), (7, 2973454), (11, 1892198), (14, 1486727), (22, 946099), (77, 270314), (121, 172018), (154, 135157), (242, 86009), (847, 24574), (1117, 18634), (1331, 15638), (1694, 12287), (2234, 9317), (2662, 7819)]