20578112

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4799}}^1$

素因数の和:4878

約数の個数: 28

約数和(自身を含む): 41452800

約数和(自身を除く): 20874688

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4799, 9598, 19196, 38392, 76784, 153568, 307136, 321533, 643066, 1286132, 2572264, 5144528, 10289056, 20578112]

約数ペア:

[(1, 20578112), (2, 10289056), (4, 5144528), (8, 2572264), (16, 1286132), (32, 643066), (64, 321533), (67, 307136), (134, 153568), (268, 76784), (536, 38392), (1072, 19196), (2144, 9598), (4288, 4799)]