20431912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{111043}}^1$

素因数の和:111072

約数の個数: 16

約数和(自身を含む): 39975840

約数和(自身を除く): 19543928

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 111043, 222086, 444172, 888344, 2553989, 5107978, 10215956, 20431912]

約数ペア:

[(1, 20431912), (2, 10215956), (4, 5107978), (8, 2553989), (23, 888344), (46, 444172), (92, 222086), (184, 111043)]