20129347

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 24968736

約数和(自身を除く): 4839389

約数列:

[1, 7, 23, 49, 53, 161, 337, 371, 1127, 1219, 2359, 2597, 7751, 8533, 16513, 17861, 54257, 59731, 125027, 379799, 410803, 875189, 2875621, 20129347]

約数ペア:

[(1, 20129347), (7, 2875621), (23, 875189), (49, 410803), (53, 379799), (161, 125027), (337, 59731), (371, 54257), (1127, 17861), (1219, 16513), (2359, 8533), (2597, 7751)]