20980246

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22367}}^1$

素因数の和:22443

約数の個数: 16

約数和(自身を含む): 36504576

約数和(自身を除く): 15524330

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 22367, 44734, 156569, 313138, 1498589, 2997178, 10490123, 20980246]

約数ペア:

[(1, 20980246), (2, 10490123), (7, 2997178), (14, 1498589), (67, 313138), (134, 156569), (469, 44734), (938, 22367)]