20657029112

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36368009}}^1$

素因数の和:36368086

約数の個数: 16

約数和(自身を含む): 39277450800

約数和(自身を除く): 18620421688

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36368009, 72736018, 145472036, 290944072, 2582128639, 5164257278, 10328514556, 20657029112]

約数ペア:

[(1, 20657029112), (2, 10328514556), (4, 5164257278), (8, 2582128639), (71, 290944072), (142, 145472036), (284, 72736018), (568, 36368009)]