20167589968

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4550449}}^1$

素因数の和:4550734

約数の個数: 20

約数和(自身を含む): 39215778100

約数和(自身を除く): 19048188132

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4550449, 9100898, 18201796, 36403592, 72807184, 1260474373, 2520948746, 5041897492, 10083794984, 20167589968]

約数ペア:

[(1, 20167589968), (2, 10083794984), (4, 5041897492), (8, 2520948746), (16, 1260474373), (277, 72807184), (554, 36403592), (1108, 18201796), (2216, 9100898), (4432, 4550449)]